Learn More About These National Monuments

These special places are among the 152 saved by the Antiquities Act. Since the law’s enactment in 1906, 16 out of 19 Presidents (eight Democratic and eight Republican) have used their authority to either establish new national monuments or enlarge existing monuments for future generations to enjoy.

Announcing the 2025 list of America’s 11 Most Endangered Historic Places.

See the List