I'd Go to Maine Just for Fat Boy's!!!

You have to check this out! Just doing a bit of surfing after reading a SeriousEats.com thread about 'food that brings you to your knees,' and I had to say that their crabrolls are the best along with the fried clams and frappes!

http://www.hollyeats.com/FatBoy.htm

This captures it completely. Old fashioned drive-in with real carhops and those trays that hang on your car...how cool is that?