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.

Limestone caves with spectacular showcase chambers.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

Rusting dinosaurs frolic at the entrance to this roadside "snake sanctuary."

A geological mystery on Camelback Mountain.

A self-built castle made by a mysterious man.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

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

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

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

A natural history wunderkammer in the middle of the desert.

An off-the-beaten path cave with an underground lake.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The Magical World of George Phar Legler.

One of the largest open-pit copper mining operations in the entire country.

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

America's only nuclear missile silo open to the public.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

The first Protestant church in Arizona and only Gothic Revival style adobe church in the world.