HFE owns this park in Atlanta, GA. In the spring Journey to the Center of the Earth 4D is coming to the park (the movie with Brendan Fraser). Also, Snow Mountain is going on right now. I had no idea about this until today, but Big Rock Waterpark is under construction at Stone Mountain. It was originally slated for 2008 but has been pushed back to 2010 due to the drought in that area, among other things. Here are some details:
"The Big Rock Waterpark is a 15 acre outdoor waterpark set in the scenic and historic Stone Mountain Park on the outskirts of Atlanta, GA.
This waterpark under development by Herschend Family Entertainment replaces a swimming beach and four old waterslides that previously occupied the site. The site is situated adjacent to a lake and is wooded with substantial topography making for challenging site conditions.
Phase one of the project consists of a 1,000 ft. long river, a leisure pool on the beach, a large kids zone with eight small waterslides and dozens of interactive features, four body flumes, two inner tube flumes, a four lane mat racer and two family raft rides with a raft conveyor.
Targeted park attendance is 2,000 people and phase two expansion calls for the addition of more water slides and a wave pool integrating with the lake and the beach."
Sounds like a pretty major project. You can read more about the 4D movie, Snow Mountain, and see some pics of the Big Rock Waterpark construction on Screamscape:
http://www.screamscape.com/html/stone_mountain.htm. The pictures show that they got far enough along that at least one slide has already been completed.