Abbreviations used in lists:
NB = National Battlefield; NBP = National Battlefield Park; NF = National Forest; NG = National Grassland;
NHP = National Historical Park; NM = National Monument; NMP = National Military Park; NP = National Park;
NRA = National Recreation Area; NWR = National Wildlife Refuge; BLM = US Bureau of Land Management;
SHP = State Historical Park; SHS = State Historic Site; SM = State Monument; SP = State Park; SWR = State Wildlife Refuge
USFS = US Forest Service

Many additional markers and unmarked sites are included in the list of sites organized by types of sites.

Alabama    Fort Gaines, Dauphin Island         Battle of Mobile Bay (August 1864)    Moundville Archeological Park (Moundbuilder site)    Selma to Montgomery National Historic Trail Alaska    Kenai Fjords NP and Resurrection Bay Arizona    Arizona-Sonora Desert Museum, Tucson    Canyon de Chelly NM    Casa Grande Ruins NM (Ancestral Pueblo site)    Chiricahua Mountains    Fort Apache Historic Park (White Mountain Apache)         Apache Cultural Center and Museum         Fort Apache (1870-1922)         Kinishba Ruins (Ancestral Pueblo site)    Fort Bowie NHS    Grand Canyon NP    Homol'ovi Ruins SP (Ancestral Pueblo site)    Hubble Trading Post NHS    Monument Valley    Montezuma Castle NM (Ancestral Pueblo sites)         Montezuma Well Unit (limestone sink; Ancestral Pueblo site)    Organ Pipe Cactus NM    Petrified Forest NP    Picacho Peak SP (Civil War battle: April 1862)    Saguaro NP    Salt River Canyon    San Francisco Peaks    Sky Island National Scenic Byway (Mount Lemmon)    Sunset Crater NM    Tonto NM (Ancestral Pueblo site)    Tubac Presidio SHS (1752-1848)    Tumacacori NHS (Mission ruins: 1691-1800s)    Tuzigoot NM (Ancestral Pueblo site)    Walnut Canyon NM (Ancestral Pueblo site)    Wupatki NM (Ancestral Pueblo site) Arkansas    Arkansas Post National Memorial         Fort Carlos III (American Revolution battle: April 1783)         Fort Hindman (Civil War battle: January 1863)    Fort Smith NHS    Little Rock Central High School NHS (Civil Rights site; 1957)    Louisiana Purchase Historic SP (1815 survey marker)    Parkin Archeological SP (Moundbuilder site)    Pea Ridge NMP (March 1862)    Prairie Grove Battlefield Historic SP (December 1862)    Red River Campaign         Poison Springs Battlefield SP (18 April 1864)         Marks' Mills Battlefield SP (25 April 1864)         Jenkins Ferry Battlefield SP (29-30 April 1864)    Toltec Mounds Archeological SP (Moundbuilder site) California    Anza-Borrego Desert SP    Calaveras Big Tree SP    Ebbetts Pass National Scenic Byway (California Highway 4)    Imperial Sand Dunes    Joshua Tree NP    Kings Canyon-Sequoia NP    Lake Tahoe    Lassen Volcanic NP    McArthur-Burley Falls Memorial SP    Monterey Bay Aquarium - Cannery Row    Redwood NP and SP    Salton Sea    San Diego Zoo    Shasta SHP (Gold mining townsite)    Whiskytown NRA    Yosemite NP Colorado    Anasazi Heritage Center (BLM)         Escalante Pueblo and Dominguez Pueblo    Beecher Island Battlefield park (September 1868)    Bent's Old Fort NHS    Black Canyon of the Gunnison NP    Camp Amache (Granada Relocation Center) site markers         Japanese internment site (1942-1945)    Canyon Pintado National Historic District (BLM)         Fremont and Ute pictographs and petroglyphs    Canyons of the Ancients NM (BLM)         Sand Canyon Pueblo and Lowrey Pueblo    Chimney Rock Archeological Site (USFS; Ancestral Pueblo site)    Colorado NM    Curecanti NRA    Dinosaur NM    El Pueblo History Museum    Great Sand Dunes NP    Kansas Pacific (Union Pacific, Eastern Division) Railroad and      "Old" US Highway 40 (US Highway 40 South)         Topeka, Kansas to Watkins, Colorado            Final Spike marker, Strasburg, Colorado    Meeker Massacre site marker (29 September 1879)    Mesa Verde NP (Ancestral Pueblo site)    Milk River Battlefield park monuments (29 Sep-5 Oct 1879)    Pike's Tower / Willow Creek Campsite (Lamar; 1806)    Pike's Stockade site (1806-1807)    Rifle Falls SP    Rocky Mountain NP    Sand Creek Massacre NHS (November 1864)         [First visitor on opening day for NHS, 1 June 2007]    Smoky Hill Trail / Butterfield Overland Despatch (BOD) (Route)         Fort Harker, Kansas to Limon, Colorado    Yucca House NM (Ancestral Pueblo site) District of Columbia     US Capitol    Washington Monument Florida    Big Cypress National Preserve    Castillo de San Marcos NM, St. Augustine Spanish Quarter    Everglades NP    Florida Keys Georgia    Chickamauga and Chattanooga NMP (September 1863) Idaho    City of Rocks National Reserve (California Trail)    De Voto Cedar Grove (US Forest Service)    Fort Boise site (Fort Boise Wildlife Management Area, Parma)    Fort Hall replica (Pocatello)    Nez Perce NHP         Camas Prairie         Canoe Camp (Corps of Discovery, September-October 1805)         Clearwater Battlefield (12 July 1877)         Cottonwood Skirmishes (3 and 5 July 1877)         Lolo Pass (Corps of Discovery, Sept 1805 and June 1806)         Long Camp (Corps of Discovery, spring 1806)         Weippe Prairie (Corps of Discovery, Sept 1805, June 1806)         White Bird Battlefield (17 June 1877)    Northwest Passage National Scenic Byway (US Highway 12)    Thousand Springs State Scenic Byway (US Highway 30)         Snake River Valley west of Twin Falls    Three Island Crossing SP (Oregon Trail, Snake River crossing) Illinois    Black Hawk SHS    Cahokia Mounds SHS (Moundbuilder site)    Lewis and Clark SHS    Lincoln Home NHS    U.S. Grant Home SHS Indiana    Angel Mounds SHS (Moundbuilder site)    George Rogers Clark NHP         Capture of Fort Sackville (February 1779)    Grouseland (Home of William Henry Harrison; 1803-1812)    New Harmony - Grave of Thomas Say    Tippecanoe Battlefield and Museum (November 1811) Iowa    Effigy Mounds NM (Moundbuilder site)    Herbert Hoover NHS    Lincoln Highway (US Highway 30)         Lincoln Hotel, Lowden         1910 bridge, Mount Vernon         Iowa Seedling Mile, west of Mount Vernon         Youngsville Station, west of Cedar Rapids         Lincoln Highway Bridge, Tama         Merle Hay Memorial, Glidden         Original brick pavers, Woodbine    Sergeant Floyd Monument (Corps of Discovery), Sioux City Kansas    Alcove Spring Park (Oregon Trail; Marshall Co.)    Allen County Hsitorical Society Museum (Iola)         Frederick Funston Boyhood Home and Museum    Beecher Bible and Rifle Church (Wabaunsee)    Birger Sandzen Memorial Gallery (Lindsborg)    Black Jack Battlefield Park (June 1856; Douglas Co.)    Brown v. Board of Education NHS (Civil Rights site; 1954)    Camp Concordia site (World War II POW camp; Cloud Co.)         Housed ~4000 German prisoners, 1943-1945         Limestone guard tower restored    Chester I. Lewis Reflection Square Park (Wichita)         Dockum (Rexall) Drugs lunch-counter sit-in bronze statue         First such Civil Rights sit-in in the nation (July-August 1958)    Cheyenne Bottoms State Wildlife Refuge (Barton Co.)    Constitution Hall SHS (Lecompton)    Coronado-Quivira Museum (Lyons)         Probable Coronado Expedition terminus area (1541)    Cosmosphere, Hall of Space Museum (Hutchinson)    Cottonwood Ranch SHS (1885-1896; Sheridan Co.)    Eisenhower Center (Abilene)         Boyhood Home, Museum, Library, and Gravesite    El Cuartelejo Pueblo site (1600s; Scott Co., Scott Lake SP)    Ellis County Historical Society Museum (Hays)    First Territorial Capitol SHS (1855; Fort Riley)    Flint Hills National Scenic Byway (Chase and Morris Cos.)    Fort Dodge (Ford Co.)    Fort Ellsworth site marker (Ellsworth Co.)         Kanopolis Reservoir Wildlife Area    Fort Harker Museum (Ellsworth Co.)    Fort Hays SHS (Ellis Co.)    Fort Hays-Fort Dodge Military Road    Fort Larned NHS (Pawnee Co.)    Fort Scott NHS (Bourbon Co.)    Fort Wallace Cemetery and Museum (Wallace Co.)    Fort Zarah park and marker (Barton Co.)    Geographic Center of the 48 Conterminous States (Smith Co.)    Grinter Place SHS (Wyandotte Co.)    Hollenberg Station SHS (Washington Co.)         (Oregon Trail and Pony Express)    Humboldt Civil War History Tour markers (Allen Co.)         Raided and burned by Confederates (October 1861)         Camp Hunter (Militia camp established after raid)    Independence Creek (Atchison and Doniphan Cos.)         Named by Lewis & Clark, July 4, 1804    John Brown SHS (Osawatomie)    Kansas History Museum (Topeka)    Kansas Pacific (Union Pacific, Eastern Division) Railroad and      "Old" US Highway 40 (US Highway 40 South)         Topeka, Kansas to Watkins, Colorado    Kaw Mission SHS (Santa Fe Trail; Council Grove, Morris Co.)    Louis Vieux Cemetery (Pottawatomie Co.)         Red Vermillion River Crossing (Oregon Trail)    Lower Cimarron (Wagon Bed) Spring (Santa Fe Trail; Grant Co.)    Mennonite Settlement Museum (Hillsboro, Marion Co.)         Peter Paul Loewen House         Jacob Friesen Windmill (replica)    Mid-America All-Indian Center Museum (Wichita)         Keeper of the Plains steel sculpture    Middle Cimarron Spring (Santa Fe Trail; Cimarron NG)    Mine Creek Battlefield SHS (October 1864; Linn Co.)    Mount Sunflower: Highest point in state (Wallace Co.)    Mushroom Rock SP (Ellsworth Co.)    Native American Heritage Museum SHS (Doniphan Co.)    Nicodemus NHS (exoduster town, founded 1877; Graham Co.)    Old Dutch Windmill (1879; Wamego, Wabaunsee Co.)    Old Mill Museum (1898; Lindsborg, McPherson Co.)    Pawnee Rock SHS (Santa Fe Trail; Barton Co.)    Pawnee Village SHS (~1800; Republic Co.)    Pike Monument (1806 expedition; west of Delphos, Ottawa Co.)    Point of Rocks (Santa Fe Trail; Cimarron NG)    Pony Express Home Station No. 1 Museum (Marysville)    Punished Woman Fork (Ladder Creek) Battlefield site marker         (September 1878; Scott Co.)    Quivira NWR (Stafford Co.)    Santa Fe Trail Center (Larned, Pawnee Co.)    Scott Spring park (Oregon Trail; Pottawatomie Co.)    Shawnee Indian Mission SHS (Johnson Co.)    Butterfield Overland Despatch (BOD) / Smoky Hill Trail (Route)         Fort Harker (Ellsworth Co.) to Limon, Colorado    Smoky Valley Ranch, The Nature Conservancy (Logan Co.)    Tallgrass Prairie National Preserve (Spring Hill Ranch; Chase Co.)    U.S. Cavalry Museum, Fort Riley (Geary Co.)    Victims of Indian Raids Memorials         Delphos Cemetery, Anna Morgan gravesite (Oct 1868)         Courthouse Monument (May 1869, Lincoln Co.)         Fort Wallace Cemetery, German family gravesite (Sep 1874)    William Allen White House SHS (Emporia, Lyon Co.)    Zebulon Pike Monument (1806; near Delphos, Ottawa Co.)    Zebulon Pike Plaza markers (1806; Larned, Pawnee Co.)         Pawnee River Crossing markers (Santa Fe Trail) Kentucky    Blue Licks Battlefield SP (August 1782)    Columbus-Belmont SP (Battle: November 1861)    John James Audubon SP and Museum    Land Between the Lakes NRA (US Forest Service)    Perryville Battlefield SHP (October 1862)    Wickliffe Mounds SP (Moundbuilder site) Louisiana    Fort Jesup SHS (US border fort, 1822-1846)    Fort St. Jean Baptiste SHS (French border fort 1714-1762+)    Jean Lafitte NHP and Preserve         Chalmette Battlefield (January 1815)    Los Adaes SHS (Spanish capital of Texas 1719-1773)    Mansfield SHS (8 April 1864): Red River Campaign         Pleasant Hill (9 April 1864)         Mansura marker (16 May 1864)         Yellow Bayou (Simmesport; 18 May 1864)    Marksville SHS (Moundbuilder site)    Port Hudson SHS (May-July 1863)    Poverty Point SHS (Paleoindian site) Maine    Acadia NP Maryland    Antietam NB (September 1862)    Catoctin (National) Mountain Park Massachusetts    Adams NHP (Homes of John Adams and John Quincy Adams)    Boston NHP (Freedom Trail)    Minute Man NHP (April 1775)    USS Constitution Michigan    Pictured Rocks National Lakeshore         Grand Sable Dunes, Grand Sable Falls, and Miners Falls Minnesota    Birch Coulee Battlefield SHS (2 September 1862)    Camp Release SM (26 September 1862)    Crow Wing County (Blue Lake)    Fort Ridgely SP-SHS (Battle site: 20 and 22 August 1862)    Lake Itasca - Mississippi River Headwaters    Lake Superior, North Shore    Lower Sioux Agency SHS (Battle site: 18 August 1862)    Wood Lake SM (23 September 1862) Mississippi    Brices Cross Roads National Battlefield Site (June 1864)    Corinth Battlefield (May 1862; October 1862)    Emerald Mound, Natchez Trace Parkway (Moundbuilder site)    Vicksburg NMP (March-July 1863)         Chickasaw Bayou site (December 1862)         Port Gibson site markers (1 May 1863)         Raymond site markers (12 May 1863)         Champion Hill sites (16 May 1863)         Big Black River Bridge (17 May 1863)

Missouri    Arabia Steamboat Museum (salvaged from 1856 wreck)    Arrow Rock SHS (1800s town)    Battle of Athens SHS (August 1861)    Battle of Carthage SHS (July 1861)    Battle of Independence markers (October 1864)    Battle of Lexington SHS (September 1861)    Battle of Lone Jack marker (August 1862)    Battle of Westport driving-walking tour (October 1864)         Brush Creek (Loose Park) sites (and Bent and Ward houses)         John Wornall House         Confederate Monument (Forest Hill Cemetery)         Blue River Battlefield (Byram's Ford Historic District)    Big Oak Tree SP    Centralia Massacre and Battlefield site markers (September 1864)    Fort Belle Fontaine (St Louis) County Park (1805-1826)    Fort Davidson SHS (Battle: September 1864)    Fort Osage, Jackson County Historic Site (1808-1827)    General Pershing Boyhood Home SHS    Harry S. Truman NHS (Home and museum)    Iliniwek Village SHS (~1640-1683)    Jefferson National Expansion Memorial         Gateway Arch         Old Courthouse    Kirksville Battlefield site markers (August 1862)    Liberty Memorial Museum (National World War I Museum)    Mark Twain Boyhood Home    Mastodon SHS (Clovis culture site)    Missouri Botanical Garden    Negro Leagues Baseball Museum    New Madrid         New Madrid earthquakes marker (Dec 1811-Feb 1812)         New Madrid-Island No. 10 siege marker (March-April 1862)    Osage Village SHS    Ozark Mountains    Pony Express Museum (stable), St Joseph         Patee House (hotel: Pony Express home office)    Prairie SP    Scott Joplin SHS    Taum Sauk SP (Highest point in state)    Towosahgy SHS (Moundbuilder site)    Van Meter SP (Woodland mounds; Oneota/Missouri villages)    Wilson's Creek NB (August 1861)    Winston Churchill Memorial, Westminster College, Fulton         Museum and Church of St. Mary the Virgin, Aldermanbury Montana    Little Bighorn Battlefield NM (25 June 1876)    Lost Trail Pass (Corps of Discovery, September 1805)    Missouri Headwaters SP (Corps of Discovery, July 1805)    Nez Perce NHP         Bear Paw Battlefield (30 September - 5 October 1877)         Big Hole Battlefield (9-10 August 1877)    Pompeys Pillar NM (BLM):  "Wm. Clark July 25th 1806"    Rosebud Battlefield SHS (17 June 1876)    Travelers Rest (Corps of Discovery, Sep 1805, June-July 1806) Nebraska    Ash Hollow SHP (Archaeological site; Oregon Trail)    Buffalo Bill Ranch SHP (North Platte)         William F. Cody - Scout's Rest Ranch house and barn    Chimney Rock NHS (Oregon Trail)    Courthouse Rock and Jail Rock (Oregon Trail)    Fort Atkinson SHP (1820-1827)    Fort Kearny SHP (Oregon Trail)    Fort McPherson National Cemetery and monument    Fort Niobrara NWR    Fort Robinson SP-SHS    Homestead National Monument of America    Lincoln Highway (US Highway 30)         Lincoln Highway Bridge, Overton    Panorama Point (Highest point in state)    Pony Express Stations - log structures (1860-1861)         Rock Creek Station SHP (re-creation on site)         Willow Creek Station (relocated to Cozad city park)         Midway Station south of Gothenburg         Machette's Station (relocated to Gothenburg city park)    Scotts Bluff NM (Oregon Trail)    Smith Falls SP    Willa Cather childhood home and other sites (Red Cloud)         Cather Foundation Center: 1885 Opera House Nevada    Baker Village Archeological Site (BLM; Fremont Pueblo site)    Great Basin NP    Pyramid Lake    Sand Mountain (BLM) New Jersey     Monmouth Battlefield SP (June 1778)    Morristown NHP (1777; 1779-1780)    Princeton Battlefield SP (January 1777) New Mexico     Aztec NM (Ancestral Pueblo site)    Bandelier NM (Ancestral Pueblo site)    Blackwater Draw Archeological Site, New Mexico         (11,000 BC-1000 BC) Clovis type-site, Folsom, Plano, and         Archaic levels    Bosque del Apache NWR    Bottomless Lakes SP    Capulin Volcano NM    Carlsbad Caverns NP    Chaco Culture NHP (Ancestral Pueblo site)    Cimarron Canyon SP    Coronado SM (Pueblo ruins)    Dexter National Fish Hatchery    El Camino Real [de Tierra Adentro] International Heritage Center    El Malpais NM (Inscription Rock and Ancestral Pueblo site)    El Morro NM    Fort Craig NHS (BLM): Battle of Valverde (February 1862)    Fort Selden SM (1865-1891)    Fort Sumner SM (Bosque Redondo/Navajo Long Walk: 1863-1868)    Fort Union NM (1851-1883)    Gila Cliff Dwellings NM (Ancestral Pueblo site: 1270s-early 1300s)    Jemez Mountains - Valle Grande Caldera    Jemez SM (Pueblo / Mission ruins: 1500s-1600s)    Kit Carson House, Taos    Las Vegas Old Town Plaza and El Distrito de Las Escuelas    Lincoln SM (Lincoln County War, 1878-1879)    Mesilla Plaza         Gadsden Purchase flag-changing ceremony site (16 Nov 1854)    Pancho Villa SP (Mexican guerilla raid on Columbus; March 1916)    Pecos NHP (Pueblo / Mission ruins: 1300s-1838)         Glorieta battlefield (March 1862)    Petroglyph NM (Pueblo site)    Sacramento Mountains    Salinas Pueblo Missions NM (Gran Quivira and Quarai Units)    Sandia Mountains    Taos Pueblo    Three Rivers Petroglyph Site (BLM; Ancestral Pueblo site)    Valley of Fire NRA (BLM; Lava field)    Villanueva SP    White Sands NM New York     Adirondack Park    American Museum of Natural History    Fort Ticonderoga (French & Indian War; Revolutionary War)    Home of Franklin D. Roosevelt NHS    Saratoga NHP (September-October 1777)    Statue of Liberty North Carolina     Guilford Courthouse NMP (March 1781) North Dakota     Fort Mandan Historic Site (1804-1805)    Fort Union Trading Post NHS (1829-1867)    Killdeer Battlefield SHS (July 1864)    Knife River Villages NHS    Theodore Roosevelt NP (North and South Units)    Whitestone Hill Battlefield SHS (September 1863) Ohio    Battle of Fallen Timbers State Memorial (August 1794)    Dayton Aviation Heritage NHP         Hoover Block (print shop), Wright Cycle Company, home site,         and Huffman Prairie Flying Field    Fort Ancient State Memorial (Moundbuilder site)    Fort Recovery State Memorial         General St. Clair's defeat (November 1791)         Fort Recovery (June-July 1794)    Hopewell Culture NHP (Moundbuilder site)    Miamisburg Mound State Memorial (Moundbuilder site)    Serpent Mound State Memorial (Moundbuilder site) Oklahoma    Alabaster Cavern SP    Battle of Honey Springs SHS (July 1863)    Black Mesa Nature Preserve (Highest point in state)    Boiling Spring SP    Fort Reno Historic Site (and Darlington Agency site)    Fort Supply SHS    Natural Falls SP    Spiro Mounds Archeological SP (Moundbuilder site)    Washita Battlefield NHS (November 1868)    Wichita Mountains NWR Oregon    Beverly Beach SP    Cape Arago SP    Cape Perpetua Scenic Area (US Forest Service)    Coquille River Lighthouse (Bandon Light)    Crater Lake NP    Darlingtonia State Wayside    D River State Recreation Site    Fort Umpqua marker (Hudson Bay Co.)    Golden and Silver Falls SP    Historic Columbia River Highway National Scenic Byway         Bridal Veil Falls, Vista House at Crown Point, Horsetail Falls,         Latourell Falls, Multnomah Falls, Shepperd's Dell Falls,         Wahkeena Falls    Humbug Mountain SP    Lewis and Clark NHP (1805-1806)         Fort Clatsop National Memorial (Astoria)         Salt Works (Seaside)    Oregon Coast Aquarium, Newport    Oregon Dunes NRA (US Forest Service)    Pacific Coast National Scenic Byway (US Highway 101)    Rogue-Umpqua National Scenic Byway         Clearwater Falls, Mills Falls,         Rogue River Gorge, Rogue River Natural Bridge    Shore Acres SP    Silver Falls SP    South Slough National Estuarine Research Reserve    Sunset Bay SP    Yaquina Head Outstanding Natural Area (BLM) Pennsylvania    Academy of Natural Sciences of Philadelphia    Brandywine Battlefield SP (September 1777)    Edgar Allan Poe NHS    Fort Necessity NB (July 1754)    Franklin Institute, Philadelphia    Gettysburg NMP (July 1863)    Independence NHP    Ricketts Glen SP    Valley Forge NHP (1777-1778)    Washington (Delaware River) Crossing SP (December 1776) South Carolina     Charleston, The Battery (White Point Gardens)    Cowpens NBP (January 1781)    Kings Mountain NMP (October 1780) South Dakota     Badlands NP    Black Hills - Mount Rushmore NM Tennessee    Battle for Hoover's Gap park (June 1863)    The Carter House - Franklin Battlefield (November 1864)    Fort Donelson NB (February 1862)    Fort Pillow SHP (Battle: April 1864)    Great Smoky Mountains NP    The Hermitage (Home of Andrew Jackson)    James K. Polk Home (Columbia)    Lorraine Motel (Memphis)         Martin Luther King, Jr. assassination (4 April 1864)    Meriwether Lewis Grave - Grinder Inn (Natchez Trace Parkway)    Shiloh NMP (April 1862)    Stones River NB (31 December 1862 and 2 January 1863) Texas    Adobe Walls State Archeological Landmark         Battle site: November 1864 and June 1874    Alamo, San Antonio    Aransas NWR    Fort Richardson SP/SHS    Guadalupe Mountains NP    Johnson Space Center    Palo Duro Canyon SP    Sam Houston Memorial Museum, Huntsville         Woodland Home and Steamboat House Utah    Arches NP    Camp Floyd/Stagecoach Inn SP Museum (Utah "War", 1858-1861)    Canyonlands NP    Edge of the Cedars SP Museum (Ancestral Pueblo site)    Golden Spike NHS    Goosenecks SP    Hovenweep NM, Square Tower Group (Ancestral Pueblo site)    Monument Valley    Natural Bridges NM Vermont    Lake Champlain and Islands Virginia    Appomattox Court House NHP (9 April 1865)    Ash Lawn-Highland (Home of James Monroe)    Cape Henry    Colonial NHP         Cape Henry Memorial             First landing of Jamestown colonists (April 1607)             Battle of the Capes (5 September 1781)             Cape Henry Lighthouse (1791-1881); adjacent to memorial         Jamestown Settlement         Yorktown Battlefield (September-October 1781)    Fredericksburg and Spotsylvania NMP         Chancellorsville Battlefield (May 1863)         Spotsylvania Courthouse Battlefield (May 1864)    Manassas NBP (July 1861 and August 1862)    Monticello (Home of Thomas Jefferson)    Montpelier (Home of James Madison)    Mount Vernon (Home of George Washington)    Shenandoah NP Washington    Lewis and Clark NHP (1805-1806)         Clark's Dismal Nitch (Astoria-Megler Bridge rest area - East)         Station Camp (Astoria-Megler Bridge markers - West)    Mount Rainier NP    Mount St Helens National Volcanic Monument    Olympic NP Wisconsin    Aztalan SP (Moundbuilder site)    Copper Culture SP (Paleoindian site)    Lower Wisconsin State Riverway         Wisconsin Heights Battlefield (Black Hawk War: 21 July 1832)    Pattison SP (Big Manitou Falls and Little Manitou Falls) Wyoming    Ayers Natural Bridge (county park)    Conner Battlefield SHS (August 1865)    Devil's Gate (Oregon Trail; BLM site)    Devil's Tower NM    Expedition Island (Green River City Park)         John Wesley Powell expeditions starting point (1869, 1871)    Fort Bridger SHS    Fort Caspar Museum and Historic Site         Battle of Platte Bridge (KS Volunteer Cavalry, 26 July 1865)         Battle of Red Buttes marker (KS Vol. Cavalry, 26 July 1865)    Fort Fred Steele SHS    Fort Laramie NHS (Oregon Trail)    Fort Phil Kearny SHS         Fetterman Battlefield (December 1866)         Wagon Box Battlefield (August 1867)    Grand Tetons NP    Independence Rock SHS (Oregon Trail)    Lombard Ferry (Oregon Trail)         Seedskadee National Wildlife Refuge    Martin's Cove overlook (Mormon Trail, 1856; BLM site)    Oregon Trail Ruts SHS    Register Cliff SHS (Oregon Trail)    Snowy Range Scenic Byway (US Forest Service)    South Pass (Oregon Trail)    Split Rock (Oregon Trail)    Yellowstone NP