In Rocky Grove, there is a playground called the "Nest of Fun". It's a very nice playground for children. It has typical playground equipment, along with a basketball court. There is also a baseball field by the Nest of Fun. In the summer, local baseball teams play here. When the teams are not playing, anyone can go there and practice or play baseball.
Rocky Grove is a residential area, so unless you're visiting someone you know, or you're visiting the schools for a function, you should go to Franklin.