An ancient knight and a symbol of the city's freedom.

Be(w)ar(e) the moat around this historic Czech castle.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

The unusual sculptures are believed to be powerful political symbols.

A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A misnamed well, with a deep dark past.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

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

Go surfing on this urban wave, "hacked" by local surfers.

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

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

It's good luck to be mocked by this monkey.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

Modern art commemorates one of the first military actions of World War II.

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

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

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