Discover the historic treasures of the Sultanahmet district and go to the Hagia Sofia to admire the Byzantine mosaics inside the 6th-century church built by the Emperor Justinian. Get up close to the Iznik tiles of the Blue Mosque, where the tomb of the sultan Ahmed I is located. Move on to the Hippodrome of Constantinople to see where the chariot races and political gatherings took place during the Byzantine and Ottoman eras. Wander amongst the stalls of the Grand Bazaar and haggle for bargain prices on jewelry, carpets, leather goods and antiques inside one of the largest and oldest covered markets in the world.