Iron Age grave stones and Viking burials, a short drive from Gothenburg.

A railway, a waterway, and a roadway all in one, suspended over a rushing river.

Many historians today consider Sverre as Norway's greatest king of all time. 

This hidden fortress has been coined the "City of Ghosts."

The largest toy museum in Poland showcases Europe's history of childhood.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

These massive moving sand dunes have swallowed an entire village and are still on the run.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

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

The zoological collection at the Hessisches Landesmuseum hosts some of the world's oldest habitat dioramas.

Be it nature, art, or abandoned military architecture this eclectic German "museum" has you covered.

The ruins of an abandoned crematorium haunt an eerie deserted German cemetery.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.

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