A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

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

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

An homage to everyone's favorite prehistoric cartoon family.

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

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

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

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

Stairs often replace streets on the steep slopes of this old mining town.

Collection of vintage trailers double as hotel rooms.

What is the Thing?

Limestone caves with spectacular showcase chambers.

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

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

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

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

These free-roaming horses were once destined to disappear from the land.

A self-built castle made by a mysterious man.

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

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.