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

A fascinating insight into daily life in the Eastern Bloc.

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.

The fairy tale castle of the "fairy-tale king."

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

A moving memorial to the fallen and missing from WWI trenches.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A beer pipeline runs beneath Bruges.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

A rare example of World War I trenches from the British front.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

Step inside this medieval Orthodox gem and travel back to the 16th century.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.