Outsider Art Community.

This curiosity shop contains a museum filled with bizarre, unique objects.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

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

A Saint Nicholas-themed ghost town in the Mojave desert.

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

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

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

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

Rippling sand dunes frozen in the Arizona rock.

Most-visited and most-photographed slot canyon in the American Southwest.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.