Aerial View of Basilica San Vitale (Byzantine architecture), Ravenna, Italy
Blue Mosque (Sultanahmet), Istanbul, Islamic Architecture, Iznik tiles by iamsufi, via Flickr
Topkapi Palace Istanbul Turkey one of the world's most beautiful cities.
Russian Orthodox Church of Apparition of the Holy Mother of God ("Znamenskaya cerkov'") in Vilnius, Lithuania. - (Byzantine Architecture)
Kronstadt Naval Cathedral, Saint Petersburg, Russia:
St. Mark's Cathedral at dusk by TravelPod member Drfumblefinger, from Venice, Italy.
Hagia Sophia-Church was built by Byzantine Emperor Justinian (Eastern Roman Emperor), in 5th century in Istanbul, Turkey.
Interior of St. Mark's Basilica, Venice.
The Pantelejmon Monastery of Vodno near Skopje.