It's hard for me to say.
There are so many factors in determining what makes something a favorite place that sometimes it's not the place that makes it great. It could be the places we visit while in the area or the friends that come with us that make it great.
I couldn't decide so I asked my 6 year old daughter. Her favorite place is the Yogi Bear in Fremont Indiana. It's a huge RV park next to a freeway in the middle of nowhere with 500 sites. It has a water park, water slides, 4 pools, golf carts, fishing lake, water balloon fights, bouncy pillow, putt putt, etc. It's not at all a quiet camping experience and I think that's why she likes it so much.