A collection of old shoes in the middle of nowhere.

The state bird of New Mexico, constructed entirely out of garbage.

A blacklight journey through a celestial art exhibit.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

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

This collection of vintage signs reflects the long and colorful history of this Arizona town.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

Once a year, at exactly 11:11 a.m., this monument comes to life.

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

Once disputed as the largest sundial in the world.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A geological mystery on Camelback Mountain.

A former department store turned into a quirky restaurant.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The first permanent memorial to a unique secret weapon of World War II.

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

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

A spiritual vortex among the red rocks in Sedona.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

Inside this store, a mysterious statue draws visitors from the world over.

A Wild West jailhouse that slid down the mountainside.

An urban laboratory.

In 1975, a forestry worker in Arizona claimed to have been abducted by a UFO.