Week-long block party becomes a competition for the best decorated street.

Wander among the abandoned ruins of this once-powerful medieval town.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

Experience what life was like in Ireland during the Viking and medieval ages.

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

Obelisks and stone pineapples in the Irish countryside.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

A small cell adjacent to this church was once the bedroom for a renowned saint.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This ancient market is often referred to as the oldest shopping mall in the world.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The Pope’s secret escape route.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

2300-year-old Roman road connecting the empire.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.