A famed sight for tourists from throughout the world, the Trevi Fountain is quite the stage prop as well! Besides La Dolce Vita, when Anita Ekberg jumped into the Trevi Fountain with her clothes on, the massive monument has been featured in many films including Roman Holiday, Three Coins in the Fountain and even The Lizzie McGuire Movie.
Originally built for various reasons, from defensive fortifications to storage and religious sanctuaries, many of these underground cities have endured over centuries, preserving fascinating glimpses into past lives and cultures.