This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

Continuing the tradition of the dime museum in style.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Museum mostly in name, and only a restaurant depending on the day, this place could only exist in Marfa.

A Prada store in the West Texas desert that is never open for business.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

A museum dedicated to the alleged Roswell Incident.

Home of the International Space Hall of Fame.

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

This is one really big nut.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The world's first commercial spaceport is a disappointment of cosmic proportions.

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

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

The world's largest military aircraft cemetery.

The Magical World of George Phar Legler.

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

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

What is the Thing?

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

A reproduction of earth's many biomes.

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