Cold war icon and onetime "hole" in the iron curtain.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

An enormous dragon scales the walls of this 17-story temple.

A limestone wonderland of water and subterranean secrets.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

The final resting place of the last "gypsy king" of Poland.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

A statue honors the children who fought Nazis in Poland.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

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

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

An underground city of salt.

This grubby wall is said to be one of the Earth's esoteric energy centers.

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

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

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

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

This bell stars in a tragic love tale and is said to make wishes come true.

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

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.