If you are into off-the-grid, rugged terrain, Grand Canyon-Parashant National Monument may be one of the "last truly wild" ...

The Grand Canyon is a spectacular sight to behold in and of itself, but did you know the surrounding national park is also home to a wealth of prehistoric rock art? Don’t be disappointed if you ...

With nearly five million tourists annually, Arizonas Grand Canyon is one of the most popular national parks in the USA. Its world-famous for its colorful rock formations, rich geological history ...

Unexplored by Europeans for 235 years The Grand Canyon was formed with the shifting of tectonic plates, which lifted layers of rock into a high and relatively flat plateau, according to the park ...

Hells Canyon, the deepest river gorge in the United States, was carved just about 2.1 million years ago — making it much younger than the Grand Canyon.

The Grand Canyon may rewrite the textbooks on the Cambrian Explosion —a key turning point in Earth's history when there was a sudden boom in complex life and the emergence of all the major ...