Under the Despots, Mystras reached its zenith with the building of churches, outstanding examples of Late Byzantine church architecture, such as Hagioi Theodoroi (1290-1295), the Hodegetria (c. 1310), ...

Once the biggest cathedral in the world, the Hagia Sophia is considered the magnum opus of Byzantine architecture. Visitors say it is a must-see when in Istanbul and recommend taking a guided tour ...