In Term 3 my Stage is investigating Myths and Legends of the ancient world. In my trolling of the internet I cam across this great site
From the UK it has a number of different myths from around the world which are told with animations but can also be read in text for. Some of the stories have background information and activities. Well worth a look.
Another one to check out is
This site is devoted to Greek Myths and the history of them. A very valuable source of information including ancient Greek history, stories, the Olympics and Greek Gods.