South Street Diner (formerly the Blue Diner) • 1947

Established in 1947, the South Street Diner in Boston, MA is the city's only 24-hour dining destination. This retro-style diner serves all-night breakfasts, burgers, and shakes, and is renowned for its Boston Cream Pancakes, which attract a lively after-hours crowd. Featured on The Food Network, it has been named the "Best Late Night Food" in the US by Esquire and "Best Diner" by Boston Magazine. The diner's enduring charm and celebrity visits make it a staple of Boston's late-night scene.