The area of Fort Matanzas National Monument is 921,712.018765824 square meters.
The area of Fort Frederica National Monument is 1,151,290.1836085762 square meters.
Fort Matanzas is designated as a National Monument due to its historical significance as a Spanish fortification built in the 18th century to protect St. Augustine, Florida, from colonial invasions. It represents the military and architectural heritage of the period, showcasing the strategic importance of coastal defenses in the southeast United States. The site also preserves the natural and cultural resources of the area, providing insights into early colonial life and the interactions between European settlers and Indigenous peoples.
The area of Hovenweep National Monument is 3,172,735.4351616 square meters.
The area of Matanzas is 317 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 Matanzas Province is 11,798.02 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.