Here's a great page of ZOOM views of Byzantine monuments in Constantinople - Tsargrad - and elsewhere.
Schaffer Collection of Russian Art Treasures
Here's a great article with an actual catalog from the Schaffers - before ALVR was opened - offering Faberge and Imperial treasures for sale in New York
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