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.
Mosaic of Leo VI from the Narthex of Hagia Sophia
This mosaic stands above the main Imperial door from the inner narthex into the sanctuary of Hagia Sophia. Leo was married too many times and this mosaic was a result of his problems with the Church.
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