Once a gas station, this flightless airplane beside the Old Dixie Highway now houses a barbershop.

The physical legacy of one man’s lifetime mission, following a near-fatal mine accident, to publicly proselytize for Christianity.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

Before TV meteorologists, there were weather kiosks. This may be the last one in the United States.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

A natural sandstone bridge hidden in the Sewanee forest.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This historic train station has been converted to a locomotive themed hotel.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

Enormous lake at the bottom of a unique cave system.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

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

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

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

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One of the first intercontinental ballistic missile sites in the United States.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

These ruins by the Dead Sea is where John the Baptist met his untimely end.

The ruins of an early 1900s neo-Baroque mansion sit nestled in a local park in the Hungarian plains.

This castle was designed to have as many windows as there are days in the year.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.