This ancient trail has claimed the lives of over 2,000 people.

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

This Old West prison built into the side of a cliff was said to be inescapable.

A Wild West jailhouse that slid down the mountainside.

A natural history wunderkammer in the middle of the desert.

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

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

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

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

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

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

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

Don't blink or you'll miss it.

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

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

Collection of vintage trailers double as hotel rooms.

What is the Thing?

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

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

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

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

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

A motel dedicated to Southwestern nostalgia.