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

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

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

This ancient Irish landscape boasts hundreds of legendary ruins.

An 1814 castle that hosts an exhibit of "explorabilia".

This Neolithic passage tomb forms part of a World Heritage Site.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The ancient tomb acts as a calendar that keeps perfect time.

France's most famous cemetery, with some of its most curious tombs.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

Museum dedicated to the art of cutting and polishing stones.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Rome's semi-secret peephole vista is also a former Crusader stronghold.