After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

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

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

A cabinet of curious mathematical models and old calculators.

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

The biggest solar telescope in the world helps reveal the secrets of our sun.

The cinder cone volcano with a less than complimentary name.

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

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

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

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

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

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

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.

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.

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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.

Miniature art that tells an enormous story.

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