Once the future of underwater combat, this old sub is now open for visitors to muck around in.

Resonating tubes make music from highway overpass.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A gigantic 10-foot tall stone man.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

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

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A circus legend leaves an unexpected endowment.

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

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

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

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

A naturally mummified 2,000-year-old man.

The television series' iconic giant foot was borrowed from this classical painting.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

Abandoned Coast Artillery fort now serves as a graffiti canvas and sightseeing vantage point.

A 60-room castle constructed by a horse-racing heir.

A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mysterious stone tower featured in many alternative histories of the New World.

Oldest synagogue in the United States.

Canada's subterranean Cold War museum has doubled as a movie set.