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.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

The "Prussian Versailles" that is as glorious today as when it was built.

In this truly magical place, rent hasn't been raised since the year 1520.

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

The prototype for all Nazi concentration camps.

A small but immensely extravagant palace built by the "Night King."

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Metro station with a claim to rock n' roll fame.

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

Berlin's old airport.

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.

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

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

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

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

This natural wonder is disappearing at an alarming rate.

One of the largest underground systems runs under Canada's largest urban center.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.