Watch out for that bat behind you,” warned Luca Messina, a civil engineer who moonlights as a speleo-archaeologist with ...

About 20 miles east of Rome is Tivoli, made famous for its Villa Adriana and Villa d'Este – two UNESCO World Heritage sites. The hilly city, crawling with narrow streets and steep cliffs makes ...

Rome boasts 13, all snatched from the Land of the Pharaohs in Roman times, and the rest are spread from Istanbul to New York City. Click on the labeled map below to view and review the world's 12 ...