Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The cinder cone volcano with a less than complimentary name.

The biggest solar telescope in the world helps reveal the secrets of our sun.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

The remains of this hell for leather wild west town can still be found in the Arizona desert.

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

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

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

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

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

A mysterious spirit totem at the edge of Navajo lands.

This sanguine boulevard was named after a deadly cowboy bar fight.

This giant steer-skull edifice refuses to die.

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

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

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.

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

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

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

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

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

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.