This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

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

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

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

A brush maker used his factory to protect blind Jews from the Gestapo.

Thousands of flowers create enchanting pink tunnels over the city streets.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

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

The footprint of a frustrated devil in Munich's Cathedral.

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

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

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

A restaurant and observation deck built in a unique broadcasting antenna.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Berlin's old airport.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

"The most colorful grottoes of the world.

This "floating railway" is one of the world's oldest monorail systems.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A surreal museum of extraordinary industrial objects.