Neoclassical Revival mansion and set of horror cult classic Phantasm.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

The ornate structure is part of a building boasting more marble than the Vatican.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The longest step street in the city.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

Built in the 1920s, this co-op in the Bronx feels more like an Italian villa than a typical New York apartment building.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

Where infamous mobster and leader of Murder Inc. Albert Anastasia made his home.

This block in downtown Brooklyn was a hotbed of antislavery activism along the Underground Railroad.

An 1883 schoolhouse now home to collective of artists.

Volunteer-run library dedicated to exploring five decades of activism history.

The massive machine creates cracking displays of indoor lightning.

The site of Paul Revere's historic two lantern warning.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

The headquarters in Salem doubles as an occult art gallery.

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

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.