This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

St. Augustine's record-setting narrow street was designed to protect against pirates.

The largest freshwater lake in the Florida Keys.

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

Bat house that has only ever housed bat for one night; they all flew away and never came back.

It's a pretty creepy lock-up.

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

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

Just below the surface, shrimp are producing temperatures hotter than the sun.

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

"We Seceded Where Others Failed."

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A building so large that it has its own weather.

This kitsch eatery is chock-a-block with bric-a-brac.

Meet manatees face-to-face at this zoo for native species.

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

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

A monument celebrating the idea of reaching inaccessible places.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

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

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