Space Mountain, TTA, and Hall of Presidents I know for sure right now.
To keep up with closures, www.stitchkingdom.com (under "Tools" at the top, click on "Research! Refurb Tool" then scan down and enter your dates. DISer BradK maintains the site. I think there's a way to sign up to be emailed about changes, but I haven't gotten that far yet to figure it out)