U.S. National Monuments
U.S. national monuments, including their state, founding date, and area in square miles.
Download optionsThe records
The 10 most recently added of 107 records · Select a column heading to sort.
| ID | Site name | Size sq miles | State | Founded |
|---|---|---|---|---|
| 107 | Yucca House | 0.0529 | Colorado | 1919 |
| 106 | Wupatki | 55.3468 | Arizona | 1924 |
| 105 | World War II Valor in the Pacific | 0.0922 | Hawaii | 1962 |
| 104 | White Sands | 224.5819 | New Mexico | 1933 |
| 103 | Walnut Canyon | 5.5144 | Arizona | 1915 |
| 102 | Virgin Islands Coral Reef | 19.8563 | U.S. Virgin Islands | 2001 |
| 101 | Vermillion Cliffs | 458.8865 | Arizona | 2000 |
| 100 | Upper Missouri River Breaks | 774.1379 | Montana | 2001 |
| 99 | Tuzigoot | 1.2686 | Arizona | 1939 |
| 98 | Tonto | 1.7500 | Arizona | 1907 |
Free sample files (up to 10 rows): CSV JSON XML
Scope and sources
Last checked against sources: October 14, 2026.
Last changed: July 17, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
A complete download includes all 107 records currently held in this dataset. Check the description and sources to decide whether its scope fits your project.
Use this dataset through the API
GET https://mysafeinfo.com/api/data/nationalmonumentsChoose a format, sort, or request fewer rows. A pass key gives access to the complete dataset. See the examples and parameters.
Without a pass, sorting and randomization apply only to the fixed 10-row sample.