This East German military command bunker was ready for World War III.

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

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

The stones of this formerly witch-obsessed castle were used to build a church.

These 18th century gardens tell a rocky story of the son of Odysseus.

This German bone house contains the remains of some 20,000 souls.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

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

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

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

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

No need to strap in for a "ride" on this walkable roller coaster.

Super-heavy Nazi architectural experiment.

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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

This unique Renaissance castle was turned into a home for Nazi occultism.

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

Ruins of a German Castle on top of a towering stone pillar.