Katz's Delicatessen, founded in 1888, is a NYC must-see. The oldest New York deli is famous for its huge corned beef and pastrami sandwiches, but any item on the menu is good.
Geno's Steaks, a South Philadelphia institution, may have Philadelphia's best cheesesteak.Classic steak sandwiches or cheesesteaks with Cheese Whiz, American, or Provolone are options.
Crown Candy Kitchen, founded in 1913, has St. Louis' original soda fountain and some of the city's best sandwiches. Favorites include the Reuben, turkey and bacon melt, and BLT.
This New Jersey sandwich store has over 50 sandwich combinations, and you can construct your own. This cash-only restaurant makes excellent subs using high-quality ingredients.
New Orleans' Turkey and the Wolf is easy to overlook, yet its sandwiches are unique. Try Turkey and the Wolf's bologna sandwich with potato chips for beginners.
Phillipe's has served French dip sandwiches in Los Angeles for over 115 years. Try Phillipe's zesty coleslaw and handmade potato and macaroni salads.