Grave of the man allegedly responsible for a series of infamous murders in Boston in the 1960s.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

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

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Haunted house kitsch meets Japanese folklore at this theme bar where patrons can “die” and have their own mock funeral.

These ruins of Francis Bacon's once-magnificent manor are hidden in the English countryside.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

An unassuming London park is actually a pilgrimage site for modern clowns.

Rumored to have tormented a family in the late 1960s, this toy now resides in a quiet little oddities shop.

Thousands of well-dressed mummies below a monastery.

Ornate and macabre headstone in one of the country's oldest cemeteries.

This Georgian Gothic building was created to shelter and feed deer.

Japanese island famous for poison gas and fluffy bunnies.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Japanese national treasure originally built in 593 CE.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

There's nothing creepier than a cemetery next to a clown motel.

Venue for strange sideshow displays and musical acts.

Three small rooms at the back of the “official” church of London's clowns.

An extensive collection of ancient Egyptian artifacts and mummies.