Get the perfect introduction to Istanbul’s history, art and culture with a 4-hour tour through the heart of the Old City. Take in slender minarets, tiled mosaics and frescoes at Hagia Sophia and the Blue Mosque, then see the historic landmarks of Hippodrome Square, where ancient charioteers and athletes competed for Byzantine emperors. Learn to navigate the sprawling aisles of the Grand Bazaar, with inside tips on shopping for Turkish carpets and handicrafts.