List of U.S. National Monuments
| Site Name | Size (sq.miles) | State | Founded |
|---|---|---|---|
| (Fort Moultrie)* | .01 | South Carolina | 1960 |
| Admiralty Island | 1,529.49 | Alaska | 1978 |
| African Burial Ground | .00 | New York | 1992 |
| Agate Fossil Beds | 4.78 | Nebraska | 1965 |
| Agua Fria | 113.04 | Arizona | 2000 |