Florida's Everglades was recognized for being a dynamic ecosystem worth protecting as a national park beginning in 1947.

Travel

Seven Mysteries You Can Explore in America’s National Parks

From unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected areas

Mike Bezemek

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants.

Science

Giant Sloths and Many Other Massive Creatures Were Once Common on Our Planet. With Environmental Changes, Such Giants Could Thrive Again