http://www.reptileworldserpentarium.com/ - Milking facility! Way cool venomous herps and they do a milking show. It's about 45min from Orlando, and about an hour or so away from Titusville.

http://www.gatorland.com/ - Woot! Gators! about 30min from Orlando, 1hr Titusville

http://reptilediscoverycenter.com/ - 45min from orlando, 1hr Titusville

That's all for now, I'm sure I can find some more though