Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

This giant steer-skull edifice refuses to die.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

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

This small, unassuming street is now a canvas for color and creativity.

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

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

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

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

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

An artificial crater field that trained astronauts for lunar exploration.

A mysterious spirit totem at the edge of Navajo lands.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

A motel dedicated to Southwestern nostalgia.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

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

This golf ball–shaped former desert real estate office now houses a UFO museum.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.