Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Two monstrous faces loom over a village in Czechia.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

This abandoned Belgian fortress is purposefully being left to nature.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

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

One of the most well-known city festivals in the world.

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

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

A former ironworks that was the first UNESCO industrial site.

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

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

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

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The many—66 to be exact—faces of the German forest.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.