View of the Tomb of Ahmed I (I. Ahmed Turbesi) on the side of Sultanahmet Park that runs between the Blue Mosque and Hagia Sophia, part of the Historic Areas of Istanbul, district of Fatih, Istanbul, Turkey, Europe

View of the Tomb of Ahmed I (I. Ahmed Turbesi) on the side of Sultanahmet Park that runs between the Blue Mosque and Hagia Sophia, part of the Historic Areas of Istanbul, district of Fatih, Istanbul, Turkey, Europe

Cityscape of the Historic Areas of Istanbul, including the Hagia Sophia and the Sultan Ahmed Mosque, UNESCO World Heritage Site, district of Fatih, Istanbul, Turkey, Europe

Historic tram driving through the crowd, shopping street Istiklal Caddesi, Independence Street, Beyoglu, Istanbul, Turkey

Aerial view of Golden Horn and Besektas area, Istanbul, Turkey

Aerial view of seaside built-up area and harbor, Istanbul, Turkey

Aerial view of Golden Horn and Besektas area, Istanbul, Turkey

Little Hagia Sophia interior, Istanbul, Turkey

Traditional Turkish tea, Istanbul, Turkey

Ornate architectural detail in Topkapi Palace, Istanbul, Turkey

Ornate architectural detail and furnishings in Topkapi Palace, Istanbul, Turkey

Suleymaniye Mosque on top of the hill, Istanbul, Turkey

Little Hagia Sophia interior, Istanbul, Turkey

Suleymaniye Mosque, Istanbul, Turkey

View of the Blue Mosque and Hagia Sophia at sunset from Kadikoy in Istanbul, Istanbul, Turkey

Ornate architectural detail in Topkapi Palace, Istanbul, Turkey

Suleymaniye Mosque illuminated at night, Istanbul, Turkey