A historic cavern 210 feet below ground along historic Route 66 in northwestern Arizona has finally reopened for tours. Grand Canyon Caverns, in Peach Springs near the Hualapai Indian Reservation, ...

Carlsbad Caverns in New Mexico is a place of wonder with caves full of dazzling formations and sights like the Painted Grotto ...

While Arizona is famous for its stunning landscapes and dramatic rock formations, some of the best things to see here are underground. Arizona has numerous famous caves — some readily open to the ...

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 from ...

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 Valley and the ...