Our visit starts with Blue Mosque ( Sultan Ahmet Camii ) Next visit is to St. Sofia ( Ayasofya in Turkish ) built by Byzantium emperor Justinian in the 6th century. With its massive dome It is one of the architectural marvels of all times. Topkapi Palace the great palace of the Ottoman Empire from the 15th to the 19th centuries. The hippodrome, the stadium of ancient Byzantium Empire the scene of chariot races of the warriors. You will see some monuments in the hippodrome like Serpent Column, Obelisk ot Thutmos III ( 3500 years old ), walled obelisk, Statues of Porphyrios, German Fountain.