German and American troops joined forces to defend this fortress during the strangest battle of World War II.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

The great Danube river starts here.

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.

Enter the cabin of a life-sized Hindenburg replica.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

This Cold War–era fallout shelter was actually a storage facility for the nation's emergency currency.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

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

A Nazi concentration camp and Anne Frank's place of death.

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 12th-century fortress containing some of Berlin's oldest buildings.

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

It's always summer at the beach inside this former airship hangar.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

Retirement home for giant obsolete machines.

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

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

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

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

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

An ornate century-old elevator still connects the two halves of Bad Schandau.