This beautiful Miami garden was designed as a laboratory for tropical plants.

A humid oasis combines recreation with exploration in a unique underwater cavern.

The only Florida state park with publicly accessible caves.

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

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

An abandoned town is hidden in Great Smoky Mountains National Park.

A rare view of a preserved Victorian science museum.

This California artist's front yard acts as a gallery for his unique, scrap metal animal sculptures.

The farming museum contains an extensive taxidermy collection, including the world's largest stuffed horse.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

An abandoned 1920s school with a mysterious history.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.