Museum dedicated to "the man who moved the Earth."

This Communist-era residential block is one of the longest residential building in Europe.

This antique thermometer honors the creator of the first universal temperature scale.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The largest toy museum in Poland showcases Europe's history of childhood.

This fairytale medieval church in Poland originally spent centuries in Norway.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A neo-gothic statue modeled on German Emperor Kaiser Wilhelm II, which had its distinctive mustache shaved off by Nazis in World War II.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

A fearsome dragon clings to a corner of Munich's city hall.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

Budapest's Communist-era statues, banished to the suburbs.

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

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

This man-made mound monument was built out of soil from all across the Polish empire.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

An underground city of salt.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

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