This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

Traditional Danish spot where the schnapps are flowing and the smørrebrød is loaded.

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

This abandoned Slovenian military barracks has become a punky-political art squat.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

A public work of art that also provides some relief from the summer heat.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A cemetery for Slovenian notables also serves as a popular recreation space.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

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

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

One of downtown Berlin's last reminders of its Communist past.

The most visited, and possibly most controversial, museum in Germany.

One of the world's heaviest musical instruments towers within a popular urban park.

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