A historic grist mill and active sluice on the Black River.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

The haunting remains of a failed housing development can still be found behind the big box stores that were to anchor them.

This picturesque ghost town is located on the banks of the Suwannee River.

A derelict bit of transportation infrastructure hidden in the woods.

This once luxurious Catskills resort is now a haunting ruin.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

The ruins of a creative scholar's fantastical unfinished sanctuary act as his massive gravestone.

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

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

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Where monkeys run wild and the humans are caged.

Former villa and estate of James Deering developed to preserve native tropical forests.

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

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Where manatees are the snowbird vacationers in these balmy Florida springs.

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

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

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.