See the unforgettable landmarks of Istanbul’s old city on a full-day, small-group sightseeing tour with a professional art historian. Enjoy a comfortable seat on a luxury coach as you make your way to Hagia Sophia, descend into a stunning below-ground cistern system and explore a Roman-era hippodrome. Pause for a 3-course lunch before continuing to the Blue Mosque, the Ottoman Topkapi Palace and the bustling stalls of the Grand Bazaar, and get an insider’s perspective on the back stories and secrets of each place.