The world's largest military aircraft cemetery.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

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

Like Mardi Gras, only everyone's a pirate.

A building so large that it has its own weather.

The snowbirds here are circus sideshow performers.

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

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

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

An abandoned theme park with a strange and tumultuous past.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

Treehouse motel and treehouse-building school.

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

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

The final resting place of the camel who served with the Confederate Army during the Civil War.

The crumbling remains of a 19th century fortess.

Cold storage for agricultural biodiversity.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

See just what life was like in a 19th-century prospecting town.

The trials and tribulations of marking Poe's grave.