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

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

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

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

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

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

A clear blue swimming hole with hidden caves, still unexplored.

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

At the "Garage Mahal" in Houston, car culture is about more than just driving.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Concrete igloos standing across from what remains of the Michigan Central train depot.

House built with over 60,000 glass bottles.

This lovely public park has an intriguing past and unique wooden bridges made of concrete.

This shallow cave got its name from copious amount of human bones found inside.

One man’s vision of living among dinosaurs credits Jesus Christ as the engine of biological evolution.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

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

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

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

A lavender labyrinth so large it’s visible on Google Earth.

The city is full of whimsical portals to another world.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.