Yep Maggie, the Butterfly Garden at the Tennessee Aquarium really is great!
My family loved it as well. Especially when all those beautifully colored butterflies start landing on us.
There are so many that you almost cannot help but pick up some hitch-hikers on your way through. In fact, they actually have double doors, air curtains, and an Aquarium staffer stationed at the exit of the exhibit in order to keep the butterflies from bailing out on someone's shoulder!