Well there is /v/wildspeculation , but i think that's mostly a jokey sort of subverse. Like salvia_d said, you could post about the more unusual conspiracy theories here. I personally wouldn't mind seeing it, but I'd hope that you forgive me if I approach it with a lot of skepticism. I think that a lot of the really out-there stuff like zeitgeist and david icke is put out there to confuse and misdirect people, and some of it may very well be part of long-term PSYOP campaigns that won't see benefits being reaped for decades (eg. establishing a new-age occult religion). But it's all still interesting.

edit: I don't mean to imply icke himself is not genuine in his beliefs. I think he is manipulated though.

The current /v/fringe seems to be devoted to the tv-series and no one has posted in there for 10 months. I can see how it would be much cooler to expand that subverse.

You're welcome to discuss/share them here. I'm pretty sure some here would appreciate.