For more ideas on this topic check out the following URL's:

AT&T ENRICH:
http://www.officeport.com/enrich/
This curriculum project by teachers in Chicago produced some lessons on a variety of Biology topics. Almost all of the lessons involve technology and cooperative learning. Many were written around a digital camera.


The Science Museum of Virginia:
http://www.smv.org/

This site details for educators all of the available opportunities for their students. This site is maintained by the Museum's Education Department and is an example of what is available from other museums.


The National Park Service ParkNet
http://www.nps.gov/

This site is maintained by the U.S. National Park Service and is a great resource for information about the National Park System. While this organization is often associated with parks like Yellowstone or Yosemite, they maintain a wide variety of parks and national monuments throughout the country in a hundreds of locations.