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Under a swath of Kentucky hills and hollows is a limestone labyrinth that became the heartland of a national park. The surface of Mammoth Cave National Park encompasses about 80 square miles.

The national park forms one unit of the North Cascades National Park Service Complex. The two other units—Ross Lake National Recreation Area and Lake Chelan National Recreation Area—contain ...

the area was designated a national monument in 1906 and a national park more than a half century later. If you are traveling west on I-40, exit into park. When leaving the south end of park ...

Wood Buffalo is Canada’s largest national park. Covering more territory than Switzerland, it sprawls across northeastern Alberta and juts into the southern part of the Northwest Territories.

Multiday canoeing, kayaking, and rafting trips on the South Nahanni, and to a lesser extent on the Flat and Little Nahanni Rivers, are now the main attractions in Nahanni National Park Reserve.

Luminarias light Spruce Tree House, an ancient dwelling of the Anasazi people and the third largest cliff dwelling in Colorado's Mesa Verde National Park. From Cortez, take US 160 east for eight ...

Four types of volcanoes—shield, composite, cinder cone, and plug dome—can be found in Lassen Volcanic National Park, where they literally bubble and steam.

One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

Nowhere on Earth is as rich in quantity and quality of the prehistoric creatures' remains as the Badlands' arid Dinosaur Provincial Park, a UNESCO World Heritage site where digs are still under way.