This quirky hot springs town known to locals as "T or C" was named after a radio show.

This is one really big nut.

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

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

These aggressively sustainable art homes look like something out of 1970's science fiction.

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

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

A museum dedicated to the alleged Roswell Incident.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

Ten shipwreck-shaped chalets lie along the sand dunes on Namibia’s Skeleton Coast.

This Central New York ghost town was once a prosperous railroad community.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

The only diamond mine in the world where you can keep what you find.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.