NATIONAL PARKS Expedia is partnering with the National Park Foundation on a new Web site to help travelers planning trips to national parks. The timing of the Web site launch coincides with the airing of Ken Burns' new documentary on public television, "The National Parks: America's Best Idea." The site ( parks) includes downloadable park maps and other content from the National Park Foundation, as well as information about lodging options outside the parks.

To reserve camp sites or book stays inside the parks, visitors must still go to