13. The Tunnel Bar, Massachusetts
The Tunnel Bar in Northampton, Massachusetts is unique because it used to be a tunnel where travelers would board their trains. According to The Tunnel Bar, all of the brick and stonework is original, dating back to 1896. Outside of being famous for being a tunnel, this bar is known for serving very large martinis. The menu includes a long list of classics, martini creations, dessert martinis, cocktails and more. The tunnel bar sports lots of dark wood, sophisticated leather seats, and dim lighting. Various sites and publications have named The Tunnel Bar as one of the bars in the U.S. to drink in before you die.