I have a Jayco 28bhsw TT and a 2500HD. Traveling with wife and kids, 2 and 5(they're troopers, trust me). I'm hitting a friend's place(private campground) near 76 falls in Lake Cumberland heading sout...
Agree Biltmore is very much an adult activity. Think your little ones would find almost nothing (except the petting zoo) that would keep their interest.