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

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

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

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

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

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

The fading, forgotten remains of a once bright and booming factory.

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

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

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

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.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

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

Don't blink or you'll miss it.

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

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

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

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

Collection of vintage trailers double as hotel rooms.

What is the Thing?

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

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