Hamburgers are intensely proud of their tunnel beneath the river.

Wax models of disease and deformity are on display at this German medical museum.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

One man's personal kunstkammer, museum and shop.

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.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

A fearsome dragon clings to a corner of Munich's city hall.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

After years of being casually peed on by humans, this tree is peeing back.

The final resting place of many of Germany's most famous communists.

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

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

The oldest Jewish cemetery in Europe survived Hitler's Germany.

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

Striking occult iconography on a medieval German church.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

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

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

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

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

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

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

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.