The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This snug medieval lane is one of the narrowest streets in the world.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

Locals rallied to save this beloved mural after someone mistakenly attempted to cover it.

Twice a year, this floating library delivers thousands of books to the remote islands of Stockholm’s archipelago.

It was meant to help transport wounded soldiers to a secret underground hospital.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

An abandoned colonial French prison notorious for its hellish conditions.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

Take a schvitz just like an infamous Soviet dictator while his unblinking eye looks on.

This restaurant gives a new meaning to farm-to-table cuisine.

These coffin-like Brutalist balconies were inspired by a nearby mine.

Rocks carved with biblical passages in the 1800s.

Gravity seems to fail at this intriguing Swedish attraction.

A wooden street sign is the last remnant of this 400-year-old alleyway.

This abandoned Swedish folkpark offers an amazing view over the town of Överkalix.

Located in an old church, this brewery produces a different kind of holy water.

The remnants of a record-setting industrial bucket system can still be found dotting the Swedish countryside.

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

This wonky bit of historical taxidermy is experiencing a second life online.