These Vietnamese baguette sandwiches come in thit nuong (grilled pork) and bo nuong (beef steak) among other varieties at Dakao Sandwiches.

These steamed buns come filled with meats or vegetables and very traditional in China. At Fat Choy, go for the Peking Duck Bao with cucumbers, scallion and hoisin sauce or the Pork Belly Bao with pickled mustard greens, cilantro and crushed peanuts.

Breakfast sandwiches are pretty easy. Put together egg, a pork product, cheese and some bread for a sandwich on the go. At Baguette Cafe, they come on croissants that are buttery fresh.

You don’t even have to be a member to order the club sandwich. Turkey, lettuce, tomato, bacon and cheese are stacked on two layers with an extra slice of bread in the middle. The sandwich is usually quartered and served with toothpicks to keep it together. At the Grand Lux Cafe, the Grand Club Sandwich comes with roasted turkey, applewood smoked bacon, arugula, tomato and mayonnaise.

Croque Monsieur is just a fancy name for a grilled ham and cheese sandwich, but that French name makes it sound oh so much more romantic. Of course, a bechamel sauce is the real secret to this sandwich. Francois Payard uses his grandfather's recipe, layering jambon de Paris, Swiss Gruyere and a rich bechamel sauce between slices of toasted white bread and topped with more bechamel and grated Gruyere.

Slap together bacon, lettuce and tomato between toasted bread for a perennial summer favorite. At Eat, Natalie Young gussies up the DWBLT with smoked bacon, avocado and a chipotle mayo on toasted sourdough.

The King of Rock and Roll loved to eat his peanut butter, mashed banana and white bread sandwich browned in a pool of melted butter. While urban legend suggested he liked bacon on it, truth suggests he didn’t, although it sure does add a nice salt flavor to this rich sandwich. At Which Wich, the Elvis Wich comes with peanut butter, bacon, banana and honey and served on a toasted sub sandwich roll.

The other famous sandwich out of New Orleans? The po' boy, really a submarine made with New Orleans French bread. The Crescent City likes to serve them with fried seafood, but really anything can go inside. At Lola’s, try the fried oyster po’ boy, which uses Leidenheimers French bread flown in from New Orleans. Other versions here include the fried or blackened catfish; fried, grilled or blackened shrimp or chicken; or the sizzled ham.

This sandwich has become a staple at RM Seafood since Rick Moonen originally created it on Top Chef Masters. The seafood-based sausage made with white shrimp is served on a buttery toasted bun. Inside find ginger, garlic, shallots and a dash of sriracha hot sauce.

This sandwich comes with thinly sliced roast beef served on a baguette or French roll with a cup of beef jus on the side for dipping. A Country Club, find the French Dip served on a thick toasted brioche slathered with mustard cream and piled high with shaved prime rib, melted gruyere cheese and fried crispy onions. Bonus: It comes with parmesan truffle potato chips.

The iconic New York deli sells one-pound versions of its pastrami on rye at its location at the Mirage.

Perhaps the most famous hot dog at Pink's comes with chili and cheese smothered on a nine-inch hot dog and served with onions.

Put together corned beef, Swiss cheese and sauerkraut with either Russian or Thousand Island dressing and griddled between two slices of rye bread for the Reuben. The tang of the sauerkraut plays off the creaminess of the dressing, while the rye bread makes friends with the corned beef. The cheese just balances it all out. At Greenberg’s Deli, they shave the meat right in front of you.

Leftovers from Thanksgiving dinner became one of the most iconic sandwiches in America. Capriotti’s signature sandwich, the Bobbie, is a sub made with turkey, cranberry sauce, stuffing and mayonnaise. The sandwich got its name from Aunt Bobbie of the original Capriotti family who started the sub shop back in Delaware in 1976.

Bronze Cafe refers to their sandwiches as “sammiches.” The Complicated Order features oven-roasted bacon strips, a housemade bacon jam, oven-roasted turkey, avocado, cucumber, mixed greens, tomato, basil aioli and housemade lemon vinaigrette on toasted ciabatta. But for the vegetarian version, ask for The Vegucated Order with vegan "bacon" strips, a housemade coconut "bacon" jam, oven-roasted Tofurky slices, avocado, cucumber, mixed greens, tomato, vegan basil aioli, and housemade lemon vinaigrette on toasted ciabatta.

Classic whitefish salad is one of those New York deli finds on every corner in the Big Apple. Here in Vegas, head to the Bagel Cafe for the salad served on rye or a bagel. Add some cream cheese to make it even creamier.