Kennedy Space center
that's not
on the way to Florida, that's in Florida!
There's Washington DC.
Hilton Head, SC is supposed to be a great vacation spot. I'm not sure if there's actually anything to do there. I've heard the beaches are supposed to be nice.
Then there's South of the Border, which is basically a massive souvenir shop just south of the NC - SC Border.
I think that's pretty much it.