The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

An alchemist's "magic door" stands in the middle of a Roman park.

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

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

The world's most active stratovolcano is almost always erupting.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Southern Italy's spinning top village.

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

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The final resting place of the poets Shelley and Keats.

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