Here's s page of wonderful images of the great mosaic icon of Christ in the upper gallery of Hagia Sophia - otherwise known as Saint Sophia.
Discovery History Conservation - Hagia Sophia Mosaics
It really is a miracle that this mosaic survived the abuse of centuries. Here you can learn how the Byzantine Institute of America found the mosaics, uncovered and restored them for us to see today.
Imperial Bedroom
Portrait Hall
Mauve Room
Maple Room
Aleksey's Bedroom
Nicholas's Study
Aleksey's Playroom
Formal Reception
Balcony View
Aleksey- Balcony
Children-Mauve
Nicholas's Bathroom
Alexandra- Mauve
Nicholas's Reception
Tsarskoe Selo Map