Eastern US
  Declan McCullagh’s pictures of Watkins Glen in New York. This beautiful narrow canyon is a mile and a half long and has nineteen waterfalls. Rappelling in the canyon is not allowed since it is a state park.
www.mccullagh.org/image/13/watkins-glen-canyon-5.html
  Eric Prartzel’s pictures of Watkins Glen in New York.
http://sca.uwaterloo.ca/~praetzel/wglen
  John Morrisey’s pictures of Watkins Glen in New York.
http://horde.net/gallery/watkins_glen
  Ithaca is Gorges. Photos of some of the many waterfalls and gorges near Ithaca, New York. www.ilovenyphotos.com/ithgorges/ithgorges.html
  Ken and Norma’s photos of AuSable Chasm in the Adirondack Mountains in New York
http://www.4peaks.com/fgst275b.htm
  Photos of Flume Gorge in New Hampshire
http://skippermark.com/thewhites/photostheflume.htm
  Rod Watson’s photo of Flume Gorge in New Hampshire
http://home.neo.rr.com/rodsphotogallery/NaturalWonders/RockFormations/HTML/FlumeGorge.html
  Photo of Moose Cave Gorge in Maine
http://www.state.me.us/doc/nrimc/mgs/sites-2001/grafton-8.htm
  Kevin Osborne’s photos of Gulf Hagas in Maine. “The Grand Canyon of Maine.”
http://server1.bluesock.org/~osbornk/gulfhagas
  Jason Parker’s photos of Providence Canyon in Georgia www.jasonmparker.com/etcetera/slideshows/Providence_Canyon/index.html
  Photos of Providence Canyon in Georgia on a website created by a group of fifth graders
www.henry.k12.ga.us/pges/kid-pages/seven-georgia/seven.html
  Ed Jackson’s photos of Providence Canyon in Georgia
www.cviog.uga.edu/Projects/gainfo/photogallery/thumbnails/providence.htm
  Ed Jackson and Bill Allen’s photos of Tallulah Gorge in Georgia
www.cviog.uga.edu/Projects/gainfo/photogallery/thumbnails/tallulah.htm