Warner Brothers Wizard of Oz Site

This easy-to-use site includes an interactive timeline history of the film, a photo gallery, and opportunities to order the film and soundtrack digitally.
The Judy Room

Great Judy Garland fan site with a complete discography and detailed credits, plus news, photos, and a Judy Garland store.
The Oz Museum

Even though Kansas doesn't exactly get a good rap in The Wizard of Oz, the rural Kansas town of Wamego has embraced the film, assembling the largest collection of Oz memorabilia anywhere in the world.