An urban laboratory.

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

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

Collection of vintage trailers double as hotel rooms.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

What is the Thing?

A motel dedicated to Southwestern nostalgia.

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.

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

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

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

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

A spiritual vortex among the red rocks in Sedona.

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

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

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

An homage to everyone's favorite prehistoric cartoon family.

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

Eons ago, a rushing lava river formed this pristine passage through solid rock.

See massive fossils that are over 200 million years old in northeastern Arizona.

A self-built castle made by a mysterious man.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.