An unusual manor of stunning beauty, born out of a crippling disease.

A corkscrew-shaped barn in Ireland.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A former plague hospital turned medical museum.

Macabre museum devoted to historical Viennese murders.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Remnants of 19th century vigilante justice.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

The remains of an entire Roman city can be explored in this interactive museum.

Largest necropolis in the Mediterranean.

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

In paradise, feral pigs have claimed an island all to themselves.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.