You travel all around the globe looking for the world’s most beautiful cave. . . and the best one is in Sheffield.
"During that trip I even had a leech stuck to my eyeball for a couple of days. We tried coaxing it off with some raw meat and salt." Robbie Shone takes eye-popping cave photos.
The site design is somewhat unfortunate, but The Virtual Cave features lots of photos and information on, well, caves and cave formations. We've all heard of stalagmites and stalactites, but I'd never heard of cave draperies or cave pearls before. Then you've got your helictites, your aragonite, and your splash stalactites (found in lava tubes). And they've got a Show Caves Directory of caves in the United States that are open to the public, with addresses and contact information by state.
50 foot long single spar crystals found in a Mexican cave 1,000 feet below the surface! Smithsonian has links to other related sites. This one has pictues. More pictures can be found in the April 2002 print issue of Smithsonian.