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

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

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

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

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

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

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

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

Don't blink or you'll miss it.

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.

An artificial crater field that trained astronauts for lunar exploration.

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

Collection of vintage trailers double as hotel rooms.

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

What is the Thing?

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

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

The world's largest military aircraft cemetery.

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

Limestone caves with spectacular showcase chambers.

A spiritual vortex among the red rocks in Sedona.

Ancient pueblos built into the base of a natural canyon wall.