This reclusive Hopi village in Arizona has been continuously populated longer than anywhere else in America.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

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

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

For those going through a life transition, a place to leave behind a piece of your former self.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

Legend says train robbers stashed their gold within the depths of this unusual cave.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

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

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

A Wild West jailhouse that slid down the mountainside.

This giant steer-skull edifice refuses to die.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A mysterious "wedding cake" castle in the middle of the urban desert.

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

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A Tucson museum and performance space full of found-object movable sculptures.

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

Miniature art that tells an enormous story.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.