The region is stacked with burger joints. TNT Diner tried retro and new-school versions to find what she considers the best.

In the quaint coastal town of Groton, Connecticut sits a gleaming silver diner that looks like it was plucked straight from a Norman Rockwell painting and placed lovingly along Bridge Street.

Tucked away in the rolling hills of Brookville, Indiana sits a bargain hunter’s utopia so vast it has its own gravitational pull for treasure seekers across the Midwest. White’s Farm Flea Market and ...