Unite for Literacy
Unite for Literacy: Plants and Food: Great Green Giants
A picture book about a giant cactus called the saguaro. Includes audio narration in nine additional languages with text in English.
US Geological Survey
Usgs: Virtual Tours of National Parks
Excellent site to discover the National Parks from the convenience of your computer. Click on each park for a virtual tour, many in 3D, many offering historic photos. Dig deep into our national geologic story.