Arrr! The most authentic collection of pirate artifacts in the world... matey.

It's a pretty creepy lock-up.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

One of the largest Native American shell middens stands 30 feet tall.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

Where serial killer Aileen Wuornos drank her last beer.

A local road runs around a memorial to a teenager who died in 1860.

These mysterious ruins are hidden amid this sleepy coastal city.

Settled in 1696, abandoned after the Revolutionary War.

The South Carolina competition challenges you to trap as much grits on your body as possible.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

A mural in rural Georgia welcomes visitors to a fictional Missouri town.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.