A brief history of London underground
Youtube has longer videos of similar footage, but here is a relatively short one.
Category: History (page 2)
The story of Western music
Here is a nice video illustrating and playing music from various points in history.
It is in Spanish, but the language of music is universal anyway.
The difference between London and the City of London
Here is the followup for the Uk and Crown explanation.
3D Versailles
Google is involved in a historical reconstruction of the Versailles palace. It is quite nice. I wish I had seen it before going there.
Before the revolution
After the revolution