You are observing the historical sites along the waters of the Golden Horn, which showcase Istanbul’s cultural riches. Places such as the Pierre Loti Hill, the Greek Orthodox Patriarchate, the Bulgarian Church, the Eyüp Mosque, the Rum Boys’ High School known as the “Red School,” Feshane, the Fener district, the Galata Tower, the Topkapı Palace, and the Hagia Sophia surround you on all sides.