The FBI kept a 1,400-page dossier on Einstein. His pacifist stance and left-leaning politics made him suspicious in the eyes of the agency as a potentially "extreme radical," National Geographic ...

To prevent further destruction of its unique bounty, 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 ...

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 ...

LOS ANGELES -- In celebration of Earth Month, National Geographic is giving viewers a never-before-seen look at the world of penguins! "If you follow a penguin just for a day, you will realize ...

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 ...

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.

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 ...