My AP teacher utilized this website before as there are multiple-choice quizzes to test students for enrichment. Maybe, in the future, this can be utilized on some of the unit tests and other assessments.
An amazing source for declassified United States' documents that could easily be used for primary sources in a modern U.S. or world history classes. These could be used for a in-class debate as the National Security Archive houses many documents on very controversial issues in history. I would also highly recommend looking through them to provide yourself with different prospectives as a future teacher.
This is a blog that has something new every day posted related to history or social studies. There is also a way to search, so one can find a group of the blog posts on one topic.
A very well organized and informative news website. This page also contains links to historical pages on different countries as well as blogs and photographs.
This site provides information on the different government and military leaders, significant events, and types of equipment used during the war. It also provides information on the participating countries before and during the war.