Blue Mosque or The Sultan Ahmed Mosque is an historic mosque in Istanbul. The mosque is popularly known as the Blue Mosque for the blue tiles adorning the walls of its interior. It was built during the rule of Ahmed I.
Saint Petersburg Mosque, Russia - Quote:"The walls were made with grey granite and the dome and both minarets (tower) are covered with mosaic ceramics of sky-light-blue colour. Skilled craftsmen from Central Asia took part working on the mosque.
This is the Topkapi Palace, in Istanbul, Turkey. This palace dates from before the Ottoman Empire but it was improved by the Ottoman Empire. This palace has some very wonderful are from the Ottoman Empire.
Photograph The Süleymaniye mosque by Necat ÇETİN -The Süleymaniye Mosque is an Ottoman imperial mosque located on the Third Hill of Istanbul, Turkey. It is the largest mosque in the city, and one of the best-known sights of Istanbul.