Galata kulesi, Istanbul

The Galata Tower, a medieval stone tower in the Galata/Karaköy quarter of Istanbul, Turkey,

Hagia Sophia, ... Instanbul, Turkey, ... a World Heritage site <3 (NatGeo)

The interior of Hagia Sophia. Hagia Sophia is a former Greek Orthodox patriarchal basilica, later an imperial mosque, and now a museum in Istanbul, Turkey.