The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

A geologic cross section of the Grand Canyon, described along the Trail of Time, includes the following layers from youngest to oldest: Compared to these old, old rocks in its walls, Grand Canyon ...

North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

River rafting enthusiasts will find thrills and spectacular views of awe-inducing cliffs while navigating the river that cuts ...

With such ancient history, there are tales and myths to be told as we walked through the swirling sculpted corridors ...

If you plan to travel to Yellowstone National Park this summer, plan ahead to protect yourself and this wild and ...

Summer is calling, and what better way to answer than packing up the car, cramming the family in (yes, even the one who never ...

America’s National Parks offer some of the most stunning landscapes in the world, from the giant redwoods to the deep canyons ...

The moment you descend into Ohio Caverns, the outside world fades away. The temperature settles at a consistent 54 degrees – a natural climate control system that’s been working flawlessly since ...

Florida’s landscape hides a 120-foot deep secret in plain sight, and it’s not another theme park or beach resort – it’s Devil ...

One of the more controversial additions to the Grand Canyon's surroundings, the Grand Canyon Skywalk is a large, semicircular bridge with a transparent glass floor, allowing tourists to walk out ...