A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A tribute to Ponce de Leon's supposed quest for eternal youth.

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

Rare recess caves fill this unbelievably beautiful Ohio park.

A beautiful oddities shop crammed with strange and morbid curiosities.

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

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

Visit this playground of waterfalls, caves and sinkholes.

The longest navigable underground river in the United States is home to countless blind and albino animals.

An eccentric inventor's castle home with its own indoor weather system.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The intriguing personal collection of a professional demon-chaser.

An antiquated German apothecary on Chicago's North Side.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

An enormous park-like oasis, full of famous Chicagoans' graves.

New Orleans' famous cemetery, located on the site of a former race track.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

The angel of death appears to weep black tears at this grave marker.

The largest earthwork effigy in the world.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.