Armed with pickaxes, masked robbers held up the California State Mining and Mineral Museum on Friday, stealing an estimated $2 million in jewels and gold. 

The Canadian Museum for Human Rights is reviewing security procedures after three teens and a 21-year-old man broke in.

Security video and a witness's cell phone video are being used to track down a man who spray painted over a Picasso painting in Houston. 

Looters broke into the Egyptian Museum during anti-government protests late Friday and destroyed two Pharaonic mummies, Egypt's top archaeologist told state television.