This abandoned plantation was once witness to an eclipse that proved Einstein's theory of relativity.

Nature’s skyscraper launches out of the terrain with attitude.

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

An eerie, derelict amusement park in Berlin.

A section of destroyed vertical lift bridge stands alone in the Peene river.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

Largest illuminated advertisement sign in the world.

Fantastic views and thousands of love locks.

This monolithic slab of art metal crowns a German slag heap.

This futuristic German television spire is actually the world's largest digital clock.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Take a walk in a recreation of ancient Rome.

The NASA scientists behind Apollo 11 started out developing Nazi weapons at this abandoned German rocket factory.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

A strange rock formation with numerous legends trying to explain it.

The world's biggest pet store.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

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

Tiny castle in the middle of the Rhine made you pay to pass.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

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

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

The last bastion of Roman presence north of the Alps looms over a German town.