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

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

An urban laboratory.

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

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

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

The unusual burial monument of Arizona's first governor.

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

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

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

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

The fading, forgotten remains of a once bright and booming factory.

The world's largest military aircraft cemetery.

The former home of the army detachment that captured Geronimo.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This sculpture is intended to reset a person’s creativity.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

This highway overpass was named after the tragic disappearance of a young mother who got mixed up with the wrong people.