This Downtown Crossing staple prides itself on having the world's #1 sandwiches, and Sam LaGrassa's certainly does not disappoint. Hand-crafted since 1968, the sandwiches at this popular joint are perfect for a hungry stomach as loyal customers swear by the the roast beef with American cheese and barbecue sauce and the other dozens of heaping, overstuffed two-handed sandwiches that have them lining up out the door every day at lunchtime.