Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

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 castle from the Holy Roman Empire that hosts traveling youth... in its stables.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

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

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

When the rain falls, this drain system turns into a musical instrument.

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

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

Where once there was a train station bathroom, there is now this German burger joint.

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

A historic and beautiful Art Nouveau chamber in a historic railway station.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

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

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

An enormous and lavish Gothic church in Czechia.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.