The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

The childhood home of Jerry Lee Lewis was converted into a museum dedicated to his musical legend.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

This century-old roadside attraction is full of bizarre rock formations.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

Town not known for anything except its strange name.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

A wacky, UFO-shaped house in a suburban neighborhood.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

A half-size replica of the World Trade Center towers above Tulsa.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

The storied steakhouse is the last in a long line of Lebanese-owned supper clubs in Tulsa.

Bronze statue marks the spinach capital of the world.

These massive mitts are made of 30 tons of devotional bronze.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.