The area of Haleki'i-Pihana Heiau State Monument is 40,468.564224 square meters.
The area of Pu'u o Mahuka Heiau State Monument is 8,093.7128448 square meters.
The area of Puʻukoholā Heiau National Historic Site is 348,029.65232640004 square meters.
The area of Hovenweep National Monument is 3,172,735.4351616 square meters.
The area of Monument Rock Wilderness is 79.521 square kilometers.
The area of Dinosaur National Monument is 853.255 square kilometers.
The area of Ocmulgee National Monument is 2,839,031.654570496 square meters.
The area of Chiricahua National Monument is 48.502 square kilometers.
The area of Cedar Breaks National Monument is 2,439.36 square kilometers.
The area of Vermilion Cliffs National Monument is 1,189.776 square kilometers.
The area of Montezuma Castle National Monument is 3,477,342.318075648 square meters.
The area of Yucca House National Monument is 137,067.02702668798 square meters.
The area of Newberry National Volcanic Monument is 224.601 square kilometers.