This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

One of Hollywood's most iconic actresses was born in an upscale Brussels neighborhood in 1929.

This huge limestone slab is considered the largest paving stone in Belgium and a relic of the earliest modern paving in Brussels.

When you're a great Russian Tsar, even your vomit gets a statue.

Drink among marionettes at this pub inside a historic puppet theater.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

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

The best bagels in Berlin are tucked away in an independent bookstore.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

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

A fascinating insight into daily life in the Eastern Bloc.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

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

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

A Roman temple perched over an Italian town, forgotten several times over.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.