This tallest folly in the world began its life as an elaborate factory chimney.

Religious structure known for its sculpted details.

This Transylvanian church has changed its denomination four times.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Gigantic Romanian salt mines used to heal respiratory conditions.

This bone-filled cave got its name after they found 140 bear skeletons inside.

Something's watching you.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

A small town Romanian cemetery filled with darkly humorous gravestones.

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

This massive underground salt mine now holds a sci-fi theme park in its depths.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

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

Traveling collection of amazing automata.

Giant, friendly pelicans in Central London, the most unlikely of places.

The heads of two giant mythological water horses honor Scotland's horselord past.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

London's smallest police station is barely the size of a phone booth.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."