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

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

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

Loyal fans of one television's most famous painters still come to pay their respects.

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

This kitschy curio wonderland is full of fake animals, teak tables, and a cacophony of random bric-a-brac.

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.

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

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

These mysterious ruins are hidden amid this sleepy coastal city.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Odd outsider art installations surround a Gold Rush-era ghost town.

An homage to everyone's favorite prehistoric cartoon family.

Bad farming practices caused this unnatural natural wonder.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

All that remains of this abandoned coal town is a beautiful, haunting cemetery.