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

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Take a monster truck tour around an ostrich farm in the middle of the desert.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

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

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A natural history wunderkammer in the middle of the desert.

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

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

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

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

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.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

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

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

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

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

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Limestone caves with spectacular showcase chambers.

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

This historic national park is covered in the stunning ruins of red rock pueblos.