Here you'll find a fantastic resource for analyzing several primary sources regarding Thomas Jefferson's presidency, from his election and home in Monticello to the Lewis and Clark expedition and the Louisiana Purchase.

Online lesson plans are available on such subjects as constructing models that visualize the distance between planets and the sun. Teachers can also learn of workshops to enhance science instruction.

You can find listings of state and national arts associations, visit online museums or historic sites, and locate resources that promote arts in education.

A collection of links to online tours of museums and exhibits. Note - a few of the links have gone dead.