How about visiting a charming Old City that has been home to big empires such as the Roman, Byzantine and the Ottoman. You’ll see the glorious Hagia Sophia Museum, iconic Blue Mosque and an ancient public venue known as the Hippodrome. The morning expedition will be concluded by viewing the world’s oldest and largest marketplace, the Grand Bazaar. After having lunch, you’ll have a feel of royalty at the Topkapı Palace, view the Aqueduct of Valens, Obelisk of Theodosius, Serpentine Column and the German Fountain of Wilhelm II. We’ll finish the tour by visiting the largest cathedral building known as the Little Hagia Sophia Mosque. Topkapı Palace* Blue Mosque Hippodrome Grand Bazaar Lunch Hagia Sophia Little Hagia Sophia Important note: Hagia Sophia Museum is closed on Mondays. It's replaced by Chora Museum.