There are quite a few traveling journals out there, now. There are several hosts/groups. Do you suppose a sub-forum to The Write Stuff might be possible for folks to inquire about, start, and track traveling journals? We've more than a few threads going on them in the Write Stuff. The journals may or may not survive their routes, but it would be nice to have a place to go to check on a current status or round up interested parties for participation.
Just a thought.