Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

There are two dozen tanks just sitting in an open field in Lower Saxony.

A subterranean display of public art and architecture.

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

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

A wunderkammer of exoticism immortalized by Tom Waits.

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

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

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

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

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

This unique Renaissance castle was turned into a home for Nazi occultism.

This German bone house contains the remains of some 20,000 souls.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

An elevator into the Baltic Sea.

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

Living trees form the structure of an open-air palace.

An intricate and amazing house built by architect Karl Junker.

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

A church filled with the bones of hundreds of virgins martyrs—or so they say.

"The most colorful grottoes of the world.

This "floating railway" is one of the world's oldest monorail systems.

The patron saint of spinsters grasps a container of dried blood.