One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A six-story, asymmetrical tower filled to the brim with scientific experiments.

A former customs station on the border of Germany and the Netherlands.

It's said the devil used this mushroom rock as a table for a late-night meal.

An abstract and eyecatching clock/fountain is the centerpiece of this little-known German city.

The remnants of a fictional Viking village film set now serve as an educational and historical hotspot.

A triumphal steel arch on the side of a German mountain.

This impressive castle looms over small German town.

Wooden pathways run through this rocky landscape, which legend says was created when a dwarven king pulled down his own castle to stop raiding giants.

A unique bridge with an equally unique view.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

The highest cold-water geyser in the world.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

The name doubles as an appropriate adjective for this small ossuary.

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

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 world's only silo that was topped by two revolving restaurants has unfortunately been demolished.

A crumbling bakery where forced laborers from the nearby concentration camp toiled to feed their fellow prisoners and Nazi soldiers.

A sweet museum focused on beets.

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

Come stay at a live-in art installation.