City Walls;The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city ofConstantinople (today Istanbul in Turkey) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. Spice Bazaar;The Spice Bazaar (Turkish: Mısır Çarşısı, meaning Egyptian Bazaar) in Istanbul, Turkey is one of the largest bazaars in the city. Dolmabahce Palace; Bosphorus Boat Cruise; Bosphorus Bridge; Çamlica Hill;Due to its beauty, the hill has inspired many writers to compose songs and poems about it.