An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

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

Several of these strange cone-shaped bunkers can still be seen around the former Nazi headquarters.

This concrete church spent a period of its history as a World War II bunker.

Take a walk in a recreation of ancient Rome.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

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

An elevator into the Baltic Sea.

The prototype for all Nazi concentration camps.

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.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

An industrial relic is now one of Europe's most staggering art spaces.

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

This historic stone bridge has an entire neighborhood clinging to its sides.

A former ironworks that was the first UNESCO industrial site.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

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

Super-heavy Nazi architectural experiment.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

The only remaining U-boat that is still floating never actually saw any action in World War II.

A scale rocket of an Ariane 5 rocket serves as a monument to a pioneer of space science.