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

Go surfing on this urban wave, "hacked" by local surfers.

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

Model Trains and Much More in Hamburg.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The history of German architecture is explored across this fairy-scale mini-city.

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

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

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

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

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

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

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

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

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 site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

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

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

One man's personal kunstkammer, museum and shop.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

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

Remnants of an exploded schooner and wrecked submarines form a breakwater.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

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