Sultan Ahmet Mosque
Sultan Ahmet Mosque (known as Blue Mosque as well) is situated in the center of the city, opposite Aya Sofya. The mosque was built in 1609-1616 by Sultan Ahmet I. I read in books that he became Sultan in 19 years and built the mosque that to eulogize God.

The Deesis Mosaic
Medusa head
3 of the 12 Archangels
Mosque, Miniaturk