An eerie, derelict amusement park in Berlin.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The middle finger of modernity.

The final resting place of the poets Shelley and Keats.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

Flamboyant architecture from the turn of 20th century.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

A curious collection dedicated to human and animal anatomy and pathology.

Museum preserving torture methods from the past.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

A small town Romanian cemetery filled with darkly humorous gravestones.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Wonderland replication in progress by one persistent man.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This cemetery features modernist statues as strange as its name.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

These spooky and unusual stone formations create an underworldly landscape.

This South London cemetery holds the remains of more than 15,000 people.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

These fantastically named natural pools look like something out of a Scottish myth.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.