Acadia National Park |
1990 |
1996 |
0 |
Aleutian Islands - Unit of the Alaska Maritime National Wildlife Refuge (Fur Seal Rookeries) |
1990 |
1996 |
0 |
Arches National Park |
1990 |
1996 |
0 |
Arctic National Wildlife Refuge |
1990 |
1996 |
0 |
Bryce Canyon National Park |
1990 |
1996 |
0 |
Canyonlands National Park |
1990 |
1996 |
0 |
Cape Krusenstern Archeological District National Monument |
1990 |
1996 |
0 |
Capitol Reef National Park |
1990 |
1996 |
0 |
Casa Grande National Monument |
1990 |
1996 |
0 |
Chapel Hall, Gallaudet College |
1990 |
1996 |
0 |
Colorado National Monument |
1990 |
1996 |
0 |
Crater Lake National Park |
1990 |
1996 |
0 |
Death Valley National Park |
1990 |
1996 |
0 |
Denali National Park |
1982 |
2008 |
0 |
Eads Bridge, Illinois - St. Louis, Missouri |
1990 |
1996 |
0 |
Edison National Historic Site |
1979 |
1980 |
0 |
Frank Lloyd Wright Home and Studio |
1982 |
2008 |
0 |
Gates of the Artic National Park |
1982 |
2008 |
0 |
General Electric Research Laboratories, Schenectady |
1990 |
1996 |
0 |
Goddard Rocket Launching Site |
1990 |
1996 |
0 |
Grand Teton National Park |
1990 |
1996 |
0 |
Guadalupe Mountains National Park |
1990 |
1996 |
0 |
Haleakala NP |
1983 |
1983 |
0 |
Hohokam Pima National Monument |
1990 |
1996 |
0 |
Joshua Tree National Park |
1990 |
1996 |
0 |
Katmai National Park |
1982 |
2008 |
0 |
Lindenmeier Site |
1990 |
1996 |
0 |
Lowell Observatory |
1990 |
1996 |
0 |
McCormick Farm and Workshop |
1990 |
1996 |
0 |
Moundville Archeological Site |
1990 |
1996 |
0 |
Mount Rainier National Park |
1990 |
1996 |
0 |
New Harmony Historic District |
1990 |
1996 |
0 |
North Cascades National Park |
1990 |
1996 |
0 |
Ocmulgee National Monument |
1990 |
1996 |
0 |
Organ Pipe Cactus National Monument |
1990 |
1996 |
0 |
Original Bell Telephone Laboratories |
1990 |
1996 |
0 |
Pecos National Historic Park |
1990 |
1996 |
0 |
Prudential (Guaranty) Building, Buffalo |
1990 |
1996 |
0 |
Pu'uhonua o'Honaunau NHP |
1987 |
1987 |
0 |
Pupin Physics Laboratory, Columbia University |
1990 |
1996 |
0 |
Rainbow Bridge National Monument |
1990 |
1996 |
0 |
Reliance Building, Chicago |
1990 |
1996 |
0 |
Rocky Mountains National Park |
1990 |
1996 |
0 |
Saguaro National Park |
1990 |
1996 |
0 |
San Xavier Del Bac Mission |
1990 |
1996 |
0 |
Savannah City Plan |
1995 |
1995 |
1 |
Sequoia/King Canyon National Parks |
1990 |
1996 |
0 |
Trinity Site |
1982 |
2008 |
0 |
Ventana Cave |
1990 |
1996 |
0 |
Virginia Coast Reserve |
1990 |
1996 |
0 |
Wainwright Building, St. Louis |
1990 |
1996 |
0 |
Warm Springs Historic District |
1990 |
1996 |
0 |
Washington Monument |
1990 |
1996 |
0 |
Wright Brothers National Monument |
1981 |
1981 |
0 |
Zion National Park |
1990 |
1996 |
0 |