A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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.

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

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

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

An artificial crater field that trained astronauts for lunar exploration.

Don't blink or you'll miss it.

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

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

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

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

Collection of vintage trailers double as hotel rooms.

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

What is the Thing?

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

Miniature art that tells an enormous story.

Limestone caves with spectacular showcase chambers.

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

One of the largest, oldest, darkest, quietest motel rooms in the world.

A Saint Nicholas-themed ghost town in the Mojave desert.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

An homage to everyone's favorite prehistoric cartoon family.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.