The National Park foundation is sponsoring an electronic field trip to Bryce Canyon National Park. It is an interactive learning experience. The date is May 18, 2010 - Times 10:00 am Eastern Standard Time and 1 pm Eastern Standard Time.
There is a companion website available http://www.brycecanyoneft.org/.
If you go to the National Park Foundation site you will also have access to past electronic field trip broadcasts.