A collection of intricate sculptures so small they have to be seen through a microscope.

Hungarian mummies in beautiful painted coffins.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Hundreds of notes give thanks to the patron saint of lost causes.

A cluster of headless, armless sculptures looms within a popular Polish park.

Special benches that play Chopin's music are scattered throughout his native city.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

A collection of old neon signs from all over Poland line a secluded courtyard.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The silly symbol for an underground protest group is now scattered around the city.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

Naturally formed rock city in Poland.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.