After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

An Austrian house of bones filled with hundreds of intricately painted skulls.

Science fiction's grandfather has a fittingly marvelous tomb.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

The remains of what was once the world's steepest passenger funicular.

A 141-foot wave of crashing lumber guards the entrance to the Grand Place in Mons.