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

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

The world's largest public collection of PEZ memorabilia.

The rocks in this arid basin leave trails of movement behind them.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

A museum dedicated to the alleged Roswell Incident.

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

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

A fitting attraction for the corn capital of the world.

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

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

One man's quest to save his town with a trail of record-breaking sculptures.