Istanbul’s fortresses and cisterns retell the history of the city and its complex heritage. Among the places in Istanbul you must visit are its historic mosques, the Hagia Sophia, Ortakoy Mosque and Blue Mosque, Topkapi Palace, Taksim, the Basilica Cistern, Galata Tower, the Museum of Turkish and Islamic Arts, and of course the Grand Bazaar and Spice Bazaar. At the end of a big day of sightseeing, wind down and warm up with a trip to the world-famous Turkish baths.