London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This landmark cemetery in Boston was created more than 300 years ago.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

Venice's island of the dead.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

Play everything you see at a museum dedicated to a town's historic organ industry.

The mansion home of author Edith Wharton.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Three acres of mythology-inspired sculptures are visible from the highway.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Resonating tubes make music from highway overpass.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

An Adirondacks museum housed in the former studio of Marcella Sembrich, the 19th century opera star most famous for her role of Mimi in "La Boheme."

The building that inspired Shirley Jackson's "The Haunting of Hill House."