The world's only underwater laboratory where "aquanauts" study oceanic life.

An underwater road considered a possible Atlantis location.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

Where serial killer Aileen Wuornos drank her last beer.

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

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

An abandoned water sports stadium that has become a haven for graffiti and decay.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

An underwater city for the dead.

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A haunted hill that supposedly defied gravity.

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

One of many gator theme parks, abandoned in the sugar fields of South Florida.

A speakeasy takes on Chicago's drinking culture.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

The subtle science of a master molecular gastronomist.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Years of archaeology, just chillin' by the water cooler.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

The clock that sets them all.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."