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

Public works and national defense project meant to carve a canal all the way across the state of Florida.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

A monument celebrating the idea of reaching inaccessible places.

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

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

The museum chronicling a treasure hunter's dream, fulfilled.

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

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

"We Seceded Where Others Failed."

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

The smallest post office in the United States is no bigger than a broom closet.

A community of collapsing homes more than a mile out from the Florida coast.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A failed, un-built suburb that has been going feral for decades.

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.