Yesterday I came across information on the Internet on The International Flat Earth Research Society. I was so interested (and entertained) that I did more searching. I learned from another article that the gentleman behind the particular group highlighted by Talk Origins has now passed away. However, there still are Flat Earthers out there, and they have a forum that proves to be a fun time-waster on a Sunday night when the kids are in bed. So if you want to check it out, click this link.
Just a little tidbit to whet your appetite. This is from the Flat Earth FAQ on the forum.
"Q: "What's underneath the Earth?" aka "What's on the bottom?" aka "What's on the other side?"
A: This is unknown. Some believe it to be just rocks, others believe the Earth rests on the back of four elephants and a turtle. "