83 places · National Monument

National Monuments

This site has 83 pages designated National Monument, spread across 31 states and territories. 82 are units of the National Park System and 1 are related areas. Castle Clinton National Monument draws more people than any of them, 3.7 million in 2025. Most of them are free to enter.

Where they are

Free to enter Charges an entrance feePoints are the Park Service reference point for each unit, not a boundary.

Ranked by 2025 visits

All units ranked →

States with this designation

All states →

Visit counts are from the NPS Visitor Use Statistics system. Designations, fees, alerts and campgrounds are from the NPS API. Data refreshed October 14, 2026. Other unit types.