The Everglades National Park is on UNESCO’s List of World Heritage in Danger. Here, visitors return to the park after it was closed to visitors for 16 days during a partial government shutdown in October. (Joe Raedle / Getty Images)
An egret makes its way through the plants at the water’s edge. Issues facing the park include water flow, water quality and both endangered and invasive species. (Joe Raedle / Getty Images)
An alligator is seen in the water at the Loxahatchee National Wildlife Refuge in the Florida Everglades, in Boynton Beach, Fla. (Joe Raedle / Getty Images)
