Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.

Hidden in a Scotland museum is a copse of extinct tree stumps.

This sculpture is an instrument played by the swell of the seas.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

A scattered trail of street art adds a pop of color to the city's stark structures.

Memorial to the Titanic engineers that died working to hold back the sea.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Europe's second largest ossuary wasn't discovered until 2001.

Hungarian mummies in beautiful painted coffins.

Mysterious painted skulls in Moravia.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Gliwice Radio Tower, likely the tallest wooden structure in the world.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Half-size replica of the Taj Mahal.

An extraordinary "City of Caves" carved from solid stone.

A peculiar idol to the Hindu King of Ghosts demands fine leather footwear in exchange for warding off evil.

The world's largest Tibetan refugee settlement.