The National Park Conservation Association has identified 13 national monuments it considers at risk after a recent Interior Department order.

In the United States, a national park is an area of isolated land protected ... are designed and made to protect the region's natural wildlife and ecosystem. These parks are typically protected ...

Biscayne is 95% water and the largest marine park in the National Park System, created to protect, “a rare combination of terrestrial, marine, and amphibious life in a tropical setting of great ...