"Scroll Down through History" displays the layers of rock exposed within the Grand Canyon and shows when in earth's history they formed. The region where the Grand Canyon now lies begins to shift ...

Directly in front of you rises a chaos of rock vaulting nearly ... which include some of the most famous national parks and monuments in the United States: Grand Canyon, Zion, Bryce Canyon ...

Arizona is the 48th state in the United States, and is home to dramatic natural landscapes, rich history and bustling ...

There is no shortage of spectacular natural features dotted around the Grand Canyon State, and you can add this scenic trail ...

Just as the Colorado carved the world-famous Grand Canyon ... Canyon is a combination of a slot canyon and a "corkscrew" canyon, with striking spiraling rocks ascending to the daylight above ...

This popular park is most famous for its colorful hoodoos ... Together with Zion and Grand Canyon National Parks, Bryce Canyon is part of a geologic wonder known as the Grand Staircase, an immense ...

A variety of companies offer helicopter tours of the Grand Canyon ... of the canyon's rock formations before descending past the glittering lights of Vegas and its famous attractions.