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

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

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

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

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 ...

Nestled in the heart of Gainesville lies a geological marvel that defies everything you thought you knew about Florida’s ...

Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

A Washington man considered to be an experienced hiker has died near the end of a 24-mile, rim-to-rim hike at Grand Canyon National Park in Arizona, officials confirmed. Dennis Smith, 74 ...