http://www.50states.com/
The 50 states with their flags, symbols, history and links onthe net.

http://fermi.jhuapl.edu/states/states.html
Color Landform Atlas of the United States

http://www.americaslibrary.gov/cgi-bin/page.cgi/es
The purpose of this Library of Congress site is "to have fun with history while learning at the same time." Each state is introduced with a single paragraph overview, but the meat of the site is the tales called Local Legacies.

http://www.nps.gov/
National Park Service's Web site. It indexes sites for scores of national parks, pointing you to pages on day hikes and backpacking, and giving information on changes in elevation, hiking times and levels of difficulty.

http://www.lighthouse.cc/
A virtual tour of the NewEngland Lighthouses.

http://www.americasroof.com/
Guide to the Highest Places in the U.S. and the World.

http://www.ca.gov/state/portal/myca_homepage.jsp
Official site about California

http://ceres.ca.gov/ceres/calweb/
California's Natural Resources

http://geogweb.berkeley.edu/GeoImages/BainCalif/BainCalif.html
Images of the California Environment

http://www.geobop.com/World/NA/US/CA/
California Facts and Symbols