A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

A lush green oasis in the middle of Chicago.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

A vast array of tropical plants collected by a vacationing couple.

This massive vault of comedic history is no joke.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

This small Key West museum is packed with dozens of artifacts that illustrate the life of the iconic playwright.

The highway's southernmost spot is a beloved local attraction.

A historic presidential getaway on the continental United States' southernmost island.

The island residents are known for taking their quirky sense of humor with them to the grave.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

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

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A hidden beach at the end of a tunnel of mangrove trees.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

A luxuriant botanical garden below sea level.