This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

The largest historic preservation organization in the United States.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

The bespectacled, cocktail-sipping pachyderm is a strange but fitting liquor store mascot.

Tucked in an urban forest, this restaurant specializes in homemade, healing rakijas.

Sidle into a side alley for a taste of sumo wrestlers' traditional hot-pot soup, in a tiny restaurant founded by a former competitor.

Semi-recognized center of the world, with many oddities.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

Giant nude woman of Tijuana is also the artist's home.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

Legends surround this jagged rock formation in the New Mexico desert.

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

A sculpture of a flying hawk made from colorful car doors.

The Grand Canyon of Texas.