Hamburgers are intensely proud of their tunnel beneath the river.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

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

This painted Lego bridge is the product of over a century of locomotive history.

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

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

This former steel and coal plant is now a neon-lit industrial fantasia.

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

This 600-year-old home seems to defy physics.

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.

A quaint Russian village in the middle of a German metropolis.

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

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

A German apartment building hosting as many trees as human occupants.

This German version of Universal Studios holds a vault of treasures from the NeverEnding Story.

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

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

An elevator into the Baltic Sea.

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

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

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