Basilica Cistern Yerebatan Caddesi 13, Sultanahmet Entrance £3.50 Open. Tue-Sun 9am-7.30pm (Apr-Sep), 9am-5pm (Oct-Mar) http://yerebatan.com Hagia Sophia Sultanahmet Square Entrance £7 Open Tue-Sun 9am-7.30pm (May-Oct), 9am-5pm (Nov-Apr) http://www.hagiasophia.com Topkapi Palace Sultanahmet Entrance 20 TL (£4.65) Open Tue-Sun 9am-6pm (harem 9am-5pm) http://www.topkapisarayi.gov.tr/tr Blue Mosque Sultanahmet Square free entrance Open outside prayer times http://www.bluemosque.co Galata Tower Beyoğlu Entrance £3.50 Open 9am-8pm Istanbul Modern* Karaköy Regular: 19 TL, Students: 9 TL, Groups (more than 10 People): 15 TL Closed on Mondays, Open Tue-Sun 10am-6pm http://www.istanbulmodern.org/en *Has a great restaurant Rumeli Hisarı The Bosphorus strait Entrance 10 TL (£2.33) 9am-noon & 12.30-4.30pm Thu-Tue |