...Northern Italy's Friuli-Venezia Giulia... is located in the Eastern Alps, near Slovenia, and used to be an important regional power. Today, it is a quaint town, and many tourists are attracted to it as a medieval center. Julius Caesar founded Cividale in 50 B.C. The area had already been settled by the Veneti and Celts, but it was after the destruction of Aquileia and Iulium Carnicum that the town became known as Cividale and became the principal town of Friuli. Within Cividale del Friuli is the Celtic Hypogeum -- a subterranean structure created for an unknown purpose. The Celtic Hypogeum...