The modern birthplace of Irish freedom.

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

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

The ruins of a medieval monastery named after a type of tree.

One of Ireland's most infamous prisons for rebels including men, women and children.

The final resting place of the poets Shelley and Keats.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.