Discover the secrets that lie beneath the sunny streets of Cagliari on a guided tour of the city’s underground. Enhance your experience with an optional walk through the Old Town, and choose from private and shared group options. Meet your guide to begin your tour of the caves, crypts, and tunnels under the city.  Wander between the districts of Stampace and Marina and visit a private tunnel shelter beneath a school that was used as a bomb shelter during World War II. Explore the magnificent and rich history of the crypt of Saint Restituta. Select the option including a guided walking tour of the Old Town to extend your experience. Stroll through the city’s streets and admire the highlights of the historic center with your guide.