Even though it is a relatively small national park, it attracts nearly 3 million visitors per year.
The park contains a cluster of islands about 70 miles west of Key West.
Sandy beaches, salt marshes, forests, wild horses and white-tailed deers - this is the decor of Assateague Island.
It is the lowest point in North America and one of the hottest places in the world.
A remote beach on the Hawaiian island of Kauai.
One of the world's most active volcanoes, with a constant eruption since 1983.
The volcano that changed the history of the United States in just minutes, today a National Volcanic Monument.
It consistently ranks the most-visited national park in the United States of America, with 9-10 million visits per year.
The great sight is the surf at the base of Morro Rock which is the lava plug remnant of an ancient volcano.
A place of natural beauty, one of the Bay Area's overlooked treasures.
A scenic and unreachable waterfall, dropping 25 meters off a cliff onto the beach.
The park has excellent spots for high altitude alpine hiking, backpacking and rock climbing as well as ample opportunity for spotting wildlife.
World renowned for its well-preserved cliff dwellings and desert landscape and steep canyons.
Located at the base of the Alaskan Peninsula, it's home to a huge number of Alaskan brown bears.
A wilderness preserve comprised of Isle Royale and the surrounding waters and small islands.
A quiet park, a place of preservation and education, accessible by plane, hiking or mule ride.