One of the American Southwest's most extensive collections of Navajo rock art.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Rippling sand dunes frozen in the Arizona rock.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

The eroded core of an ancient volcano is now accessible by a short hike.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

See massive fossils that are over 200 million years old in northeastern Arizona.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Take a monster truck tour around an ostrich farm in the middle of the desert.

Limestone caves with spectacular showcase chambers.

A 12,000-year-old bog boasting rare plants and fauna.

Beautiful natural falls where Satan once ruined a pot of beans.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

An enormous, inside-out glass globe built in 1935.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A meditative space out of a fantasy story.