Since Congaree National Park is spread over 22,000 acres of land and is the least-visited park on the east coast, you won’t have to worry about crowded trails and a noisy ambiance.

Acadia National Park. Known as the “Crown Jewel of the North Atlantic Coast," Acadia is one of the most popular parks in the U.S. and encompasses more than 50,00 acres.

There are plenty of parks elsewhere on the East Coast, too. In Jacksonville, Florida, visitors can enjoy 400 publicly accessible green spaces — including the 46,000-acre Timucuan Ecological and ...