A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

A haunted hill that supposedly defied gravity.

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

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

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.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A historic lighthouse steeped in rumors of ghost and pirate stories.

Launch vegetables using oversized slingshots at this Fingerlakes winery's roadside attraction.

This private island is still in the family after a 400-year history including a witch hunt and a pirate.

A tiny islet just off Long Island offers a wealth of infectious curiosities.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

A mysterious air force base built to resemble a Long Island fishing village.

Haunted Victorian house that inspired a legendary "Ghostbusters" court ruling.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

An eccentric playboy's astounding natural history collection.

A formerly abandoned mental institute, now back in business.

This tiny little island has, as the name says, just enough room for its single house.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

This abandoned factory on the Hudson River once churned out a million bricks a week.