This is a really nice place to go for an afternoon. They have a nice trail to walk on, and many exhibits inside. They do hold classes here as well on various conservation and education subjects.
They also have a very nice bird watching area set up, with a large window that looks out on a wooded area with many bird feeders. You can see quite a few different species of bird, along with many other animals, including deer!
If you are looking for a quiet place to go spend an hour or two, this is a great choice.