Established 9/13/2004 Size 42,983.74 acres (173.9 km2) The tallest dunes in North America are up to 750 feet (230 m) tall and neighbor grasslands, shrublands and wetlands. They were formed by sand deposits of the Rio Grande on the San Luis Valley. The park also has alpine lakes, six 13,000-foot mountains, and ancient forests.[32]
Established 10/27/1986 Size 77,180.00 acres (312.3 km2) Based around Wheeler Peak, the Great Basin has 5,000-year-old bristlecone pines, glacial moraines, and the limestone Lehman Caves. It has some of the country's darkest night skies, and there are animal species including Townsend's big-eared bat, Pronghorn, and Bonneville cutthroat trout.[31]
Established 2/26/1929 Size 309,994.66 acres (1,254.5 km2) Grand Teton is the tallest mountain in the Teton Range. The park's Jackson Hole valley and reflective piedmont lakes contrast with the tall mountains, which abruptly rise from the glacial sage-covered valley.[30]
Established 2/26/1919 Size 1,217,403.32 acres (4,926.7 km2) The Grand Canyon, carved out by the Colorado River, is 277 miles (446 km) long, up to 1 mile (1.6 km) deep, and up to 15 miles (24 km) wide. Millions of years of exposure has formed colorful layers of the Colorado Plateau in mesas and canyon walls.[29]
Glacier National Park is an American national par
Established 5/30/1934 Size 1,508,537.90 acres (6,104.8 km2) The Everglades are the largest subtropical wilderness in the United States. This mangrove ecosystem and marine estuary is home to 36 protected species, including the Florida panther, American crocodile, and West Indian manatee. Some areas have been drained and developed; restoration projects aim to restore the ecology.[25]
https://www.nps.gov/deva/index.htm
Established 10/31/1994 Size 3,372,401.96 acres (13,647.6 km2) Death Valley is the hottest, lowest, and driest place in the United States. Daytime temperatures have topped 130°F (54°C) and it is home to Badwater Basin, the lowest point in North America. There are canyons, colorful badlands, sand dunes, mountains, and over 1000 species of plants in this graben on a fault line. Further geologic points of interest are salt flats, springs, and buttes.[22]
Established 10/11/2000 Size 32,860.73 acres (133.0 km2) This park along the Cuyahoga River has waterfalls, hills, trails, and displays about early rural living. The Ohio and Erie Canal Towpath Trail follows the Ohio and Erie Canal, where mules towed canal boats. The park has numerous historic homes, bridges, and structures.[20] The park also offers a scenic train ride with various trips available. [21]
Established 5/22/1902 Size 183,224.05 acres (741.5 km2) Crater Lake lies in the caldera of Mount Mazama formed 7,700 years ago after an eruption. It is the deepest lake in the United States and is known for its blue color and water clarity. There are two islands in the lake, and, with no inlets or outlets, all water comes through precipitation.[19]
Established 11/10/2003 Size 26,545.86 acres (107.4 km2) On the Congaree River, this park is the largest portion of old-growth floodplain forest left in North America. Some of the trees are the tallest in the Eastern US, and the Boardwalk Loop is an elevated walkway through the swamp.[18]