Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

A cannonball from Union forces battling John Hunt Morgan made this church a permanent home.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

Home to drunken tower-climbing goats... seriously.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

Would you like a sleeper hold with that?

Intertwined, interspecies trees which locals believe can grant boons to lovers.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

The crumbling remains of a 19th century fortess.

An abandoned underground bunker not far from downtown New Orleans.

This strange, small castle on the bayou has withstood the test of time and weather.

The world-record holder for the longest bridge stretching continuously over water.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

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

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.