Well over a hundred national monuments across the United States have been established by different presidents under the authority of the Antiquities Act of 1906. Each monument on the map above is numbered according to the sequence in which it was established. Click on the numbers to learn about national monuments and their histories, and to find links to the monuments’ home pages.

Find out how to visit a national monument from its homepage, or go to the National Park Service's Parks and Recreation page and the Bureau of Land Management's Adventures in the Past page.