Real bones which are said to have belonged to a Polish dragon.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

A Jenga-style cylindrical tower of books that appears to go on forever.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Notorious artist squat renovated into legal studios.

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

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

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

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.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A former ironworks that was the first UNESCO industrial site.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

Over 12,000 hygiene oriented objects and exhibits.

A rare chance to ride one of the few continuous elevators still in operation.

This extremely narrow tenement boasts a maximum occupancy of just two.