A giant ball made from pieces of an old Jeep.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

This large, circular tomb is the final resting place of the first emperor of Rome.

At this small shop off a dirt road in the forest, the specialty is eel the owner caught and smoked himself.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The oldest continuously occupied public building in the United States.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

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

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

New Orleans' famous cemetery, located on the site of a former race track.

The second oldest continuously operating bar in Louisiana.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Austin’s local mountain isn’t really a mountain at all.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Free public park and gardens filled with peacocks and peahens.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.