A collection of old shoes in the middle of nowhere.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)

The unusual burial monument of Arizona's first governor.

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

A mysterious "wedding cake" castle in the middle of the urban desert.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

This abandoned horse racing track was an exercise in hubris from its inception.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

The world's largest military aircraft cemetery.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

The "Father of Arizona" tried to build a Zoroastrian fire temple on the hill where he's now buried.

A historic jail preserves etchings from over a century of incarcerated people in a town with a rough and tumble past.

The former home of the army detachment that captured Geronimo.

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

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

The remains of a boarding school designed to forcibly assimilate Native American children.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.