Title says it. Keep it family friendlyish.

Not even sure how to qualify this one.
http://theflatearthsociety.org/forum/

Found this one searching arborist sites. It took me a little while bit to figure out they were not talking about cutting trees. The new format has a little more detail.
http://www.theapricity.com/forum/forum.php


No, the democratic party website does not count.