Martin's History – a blog for people who love history
This is a video review (plus article) of the book Guns, Germs, and Steel by Jared M. Diamond (in 3 Minutes or less).
In this Extra History series we learn about John Snow, his quest to find the cause of a cholera outbreak and the beginning of the Sanitary Movement.
Amazon.com has just released “The Man in the High Castle”. This is a good starting point to look at a fascinating topic: alternate history.