Starting just west of the Yavapai Geology museum on the canyon rim, visitors can walk backward in time from today toward the oldest rock in Grand Canyon, Elves Chasm gneiss (1,840 million years old).

The Colorado River has been carving its way through northern Arizona for millions of years, but what really stops people in their tracks are the rocks of the Tonto Group in the Grand Canyon walls ...

That’s Cloudland Canyon State Park in Rising Fawn, Georgia for you – nature’s way of humble-bragging. Located on the western edge of Lookout Mountain, this 3,485-acre slice of paradise might just be ...

This is Cadillac Ranch, Amarillo’s monument to American automotive excess and possibly the only place in Texas where spray painting someone else’s property isn’t just legal—it’s encouraged.

Photo: Grand Canyon Railway and Hotel Originally, this steam engine was built in 1923 and was called Locomotive No. 4960, which ran on coal. It served various railroads before being retired in the ...

It's a geological marvel, formed due to human mistake; a stunning formation that has become the defining feature of the park — a mini Grand Canyon.

13 Hikers Needed to be Rescued in the Grand Canyon in One Week. Here’s Why. Search and rescue teams recently conducted 13 helicopter rescues over a seven-day span.

Grand Canyon of the Yellowstone is ranked #1 out of 17 things to do in Yellowstone National Park. See pictures and our review of Grand Canyon of the Yellowstone.

PHOENIX – The cause of a power outage that brought Grand Canyon North Rim visitor services to a standstill has been identified, officials announced Wednesday. The outage, which started Sunday ...

SELIGMAN, AZ (AZFamily) — Twenty-one stories deep and about a mile off of old Route 66 sits the Grand Canyon Caverns. Formed over 15 million years ago, they were discovered in 1927, and tours ...