The Three Bells of Fira or the Orthodox Church of the Virgin Mary is the most famous building on the island, and the archaeological landmark most crowded with tourists throughout the year, as the building is amazing, it is white in the Santorini style and topped with a beautiful blue dome. Tourists come from all over to take great pictures of this landmark. The landmark is located at the top of the steep hill of Fira and offers majestic views of the sea, so don't miss it when you come to Santorini.