Istanbul’s top sights layer centuries of history, and this flexible combo gets you straight in without ticket queues. Direct entry to Hagia Sophia’s awe-inspiring domes and mosaics, the atmospheric Basilica Cistern with its ancient columns in dark water, and the Blue Mosque with a good audio guide covering the tiles and courtyard. Add Topkapi Palace for sultans’ treasures and harem tales if you like. Pre-booked tickets let you visit anytime during opening hours at your own pace – easy way to see the must-sees without a fixed group schedule.
