A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

The site of the first battle of World War II.

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

This Polish cave has housed a dragon, a brothel, and an enduring legend.

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

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

An underground city of salt.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

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