From the highest peaks to the deepest chasms, the 7 natural wonders of the world will make you want to lace up your exploring ...

America’s Southwest is full of breathtaking canyons, but none as famous or as widely visited as the Grand Canyon. This world-famous ... just why this inspirational place is one of the seven natural ...

If you're planning a trip to Arizona's Grand Canyon, don't forget to check out this nifty little pool in its depths. But be ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

And due to a dam project, the wonders of Glen Canyon, said to rival the beauty of the Grand Canyon ... the canyon boasts five of North America’s seven “life zones”—more than any other ...

With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

A trip to Las Vegas wouldn't be complete without experiencing the awe-inspiring natural wonders just outside of it — particularly the Grand Canyon. We've rounded up the best Grand Canyon tours ...

“The Pinyon Plain uranium mine threatens the waters that feed Grand Canyon, one of the seven natural wonders of the world,” said Sandy Bahr, director for Sierra Club’s Grand Canyon (Arizona) Chapter. ...

Access to the Grand Canyon of the Yellowstone is included in the park's seven-day admission fee ($35 per vehicle). Learn more by visiting NPS' Grand Canyon of the Yellowstone page and its Canyon ...