Crystal Cave, Sequoia-Kings Canyon National Park, California

http://www.sequoiahistory.org/cave/cave.htm

Educational Activities and Tours at Colordao's Cave of the Winds, Manitou Spring, CO

http://caveofthewinds.com/test.kidpage.html

Educational Cave Tours by the American Cave Conservational Association

http://www.cavern.org/hrc/education.php

Educational Tours in Otter Creek Park - Cave Ecology

http://www.louky.org/fp/ottercreek/naturecenter.htm

Kentucky - The Teachers Page. Educational Tours in the Central Kentucky Area

http://www.kdu.com/teach.html

Show Caves in Missouri and the Ozarks Area

http://www.odd.net/ozarks/caves.htm

Trips to Caves in the Ozark National Riversways

http://www.nps.gov/ozar/visiting.htm

Educational tours at Lincoln Caverns, Pennsylvania

http://www.lincolncaverns.com/school.htm

Cumberland Caverns, Tennessee

http://www.cumberlandcaverns.com/