The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Once tied to Templar legend and later to Prussian counts, this fairy-tale palace has witnessed centuries of Polish history

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

An ancient neolithic tomb that only sees the sun twice a year.