1. McDonald's
   Pizza Hut
2. KFC
   Little Caesar's

Who doesn't love a Big Mac? One of McDonald's most sought after meals, the Big Mac was introduced by the chain in 1968. It originally was known the Aristocrat and then the Blue Ribbon Burger before finally having the name we now all know. And what is in that special sauce? It's what makes the Big Mac different from anything else.

1. White Castle
   Burger King
2. Chuck E. Cheese's
   Wetherspoons

Many people would pick a Whopper over a Big Mac any day. Burger King introduced the Whopper in 1957 and over the years it has become their signature item. After all, the franchise's tagline is "Home of the Whopper." Did you know that Whoppers are tailored to local tastes in certain parts of the world?

1. Blimpie
   Jamba Juice
2. KFC
   Chipotle Mexican Grill

KFC is one of the best-selling restaurant chains on the planet, and it's all thanks to that secret recipe chicken. Founded by Harland Sanders, the Colonel's first restaurant opened as Sanders Court & Café in North Corbin, Kentucky in 1930. By 1952, the first Kentucky Fried Chicken franchise had opened in Salt Lake City, Utah. And the secret 11 herbs and spice that make KFC unique? Well, no one's telling what that is!

1. Pizza Hut
   Panda Express
2. Hardee's
   Chick-Fil-A

Introduced in 1985, Chick-Fil-A's Waffle Fries are a popular side at the fast food chain. Prepared with the skin on, these fries are cooked in canola oil to be crispy on the outside, fluffy on the inside. Yum!

1. Hardee's
   Five Guys
2. Sonic Drive-In
   Jimmy John's

A staple on the Five Guys menu and also extremely popular, this cheeseburger is a whopping 840 calories! Did you know former basketball superstar Shaquille O'Neal owns over 150 Five Guys franchises?

1. Steers
   Popeye's
2. Jollibee
   Panera Bread

What's not to like about a decent mashed potato? Add the Cajun gravy and you have a very popular dish available from Popeye's: and it's only 120 calories! Popeye's, which opened in 1972, has 2,600 restaurants in the United States and 30 other locations around the world.

1. Krispy Kreme
   Starbucks
2. Sonic
   WingStreet

Closing in on 100 years old, Krispy Kreme doughnuts come in a variety of shapes and sizes and can include a range of fillings. The company was founded by Vernon Rudolph in 1937 and has over 1,000 locations across the globe.

1. Quiznos
   Church's Chicken
2. Chicken Licken
   White Castle

America's first fast-food chain, sliders have been a White Castle staple since 1921. Served on a 2 x 2-inch bun, even the patty is square. Of course, a slider is nothing without the extras, and the White Castle variety has onions and pickles.

1. In-N-Out
   Starbucks
2. Burger King
   Pizza Hut

Certainly a smaller take-out chain than most of its competitors, In-N-Out has around 340 stores, mainly on the Pacific coast and in the Southwest. Opened in 1948, In-N-Out operated California's first drive-through hamburger joint.

1. Sonic Drive-in
   McDonald's
2. Costa
   Arby's

There certainly isn't anything quite like McDonald's fries. Crispy, salty, long, thin and delicious, they are quite calorie heavy. A medium fries is around 340 calories and also contains plenty of fat, thanks to the frying process. McDonald's fries were first introduced in 1949 and flavored with a special "beef" flavoring.

1. Pala Hamburger
   Arby's
2. Chester's International
   Five Guys

Introduced in 1964, if you love roast beef, then an Arby's Roast Beef Sandwich is a must. It simply consists of roast beef—plenty of it—and a bun. Sometimes, however, simple is best. And at 350 calories, it's healthier than most hamburgers.

1. McDonald's
   Burger King
2. Wendy's
   Firehouse Subs

Creamy soft-serve ice cream ... check! A range of extras such as Oreo's, M&M's or chocolate fudge ... check! Pure bliss ... check. At just over 20 years old, the McFlurry is one of the best desserts around. Watch your waistline, however. It clocks in at about 500 calories, depending on the topping.

1. Arby's
   Moe's Southwest Grill
2. Blimpie
   Smoothie King

First seen in 1988, Curly Fries from Arby's are certainly unique. Fried till golden brown, they are crispy on the outside and soft and fluffy on the inside. Add an Arby's sauce to make them even better.

1. Steak 'n Shake
   Chick-Fil-A
2. Del Taco
   Shakey's

Less than a decade old and already an extremely popular item on the Chick-Fil-A's menu, the Spicy Chicken Sandwich has a massive chicken filet, hand-breaded and spiced and then fried to perfection. You have an option to choose your bun as well, with gluten-free and multi-grain available.

1. Starbucks
   IHOP
2. Panda Express
   Waffle House

Espresso, milk, spices and cream. A favorite for many in the fall, this Starbucks hot drink tops almost 400 calories. Of course, you could always leave out the cream, but then it's not as rich and decadent, is it?

1. Chipotle Mexican Grill
   Auntie Anne's
2. Panera Bread
   Orange Julius

What could be better than pretzels in a range of flavors, from savory to sweet? You can always just go for an original, which the chain started selling back in 1988.

1. Farmer Boys
   Sneaky Pete's
2. Shake Shack
   Carino's Italian Grill

Shake Shack started out in New York City in 2004 and although still relatively new, now boasts 130 domestic restaurants and 70 outside of the United States. The Shake Burger is fairly simple, but sometimes that's a good thing! It certainly has all you need on a hamburger.

1. Jack in the Box
   Charleys Philly Steaks
2. Jersey Mike's Subs
   Spangles

Sadly, you can't get two tacos for under a dollar from Jack in the Box anymore, although $1.29 is still very reasonable. Clocking in at just under 400 calories for two, these delicious, greasy bits of fast food heaven were introduced in the 1950s.

1. El Pollo Loco
   In-N-Out
2. Del Taco
   Long John Silver's

It's not much of a secret anymore, but In-N-Out's "animal style" options provide some interesting variations of some of their menu items. Fries, for example, get drenched in sauce, smothered in cheese and finished with onions. They do clock in at a whopping 750 calories, however.

1. Burger Chef
   McDonald's
2. The Habit Burger Grill
   Great Steak

Caution! Contents hot! How many times have you burned your lips on a McDonald's Apple Pie just to get them in your belly faster? Thank goodness they are served in twos! Perfect.

1. El Taco Tote
   Pita Pit
2. Saladworks
   Chick-Fil-A

Great biscuits, baked golden brown ... check. Tasty chicken spiced perfectly ... check. Perfect combo! The Chick-Fil-A Chicken Biscuit was first introduced in 1986.

1. Fatburger
   Burger King
2. McDonald's
   Burgerville

Served the world over, if you like your bacon, egg and cheese served on a buttery muffin, then McDonald's Egg McMuffin is just for you. It certainly is popular all over the world, and has been served as a morning hangover cure since 1972.

1. Mooyah
   Taco Bell
2. Freddy's Frozen Custard & Steakburgers
   Noodles and Company

Nacho fries gave Taco Bell their best ever product launch, and over 53 million were ordered across the United States in the five months that followed. What's not to love? They're fries with a cheesy sauce: a winner every time.

1. Domino's
   Cinnabon
2. Lion's Choice
   Mrs. Winner's Chicken & Biscuits

The most popular item on the Domino's menu, the pepperoni pizza, has made this chain one of the most popular in the United States when it comes to pizza.

1. Cook Out
   Dairy Queen
2. Whataburger
   Eegee's

960! That's what the Honey BBQ Chicken Sandwich is worth, calorie-wise. But this sandwich has it all. Flavor, texture and general yumminess. Just don't eat them too often!

1. Huddle House
   McDonald's
2. Steak 'n Shake
   Robeks

The combination of a bun, fish and cheese isn't alluring to everyone, but McDonald's Filet-O-Fish, introduced in 1963, must be eaten by many people; otherwise, it wouldn't be on the menu, right?

1. Elevation Burger
   Green Burrito
2. The Habit Burger Grill
   Panda Express

You could almost eat the picture, right? Not only does Panda Express’ Kung Pao Chicken stir fry look incredible, it tastes incredible. It's also relatively low in calories (290) and carbohydrates (16 g per serving).

1. Cinnabon
   Dairy Queen
2. Whataburger
   Culver's

First introduced in 1985, the Blizzard is Dairy Queen's go-to frozen dessert. With a variety of fillings to choose from, there is one to match your particular sweet tooth. They are calorific, however. A small Oreo blizzard tops out at over 600 calories.

1. Subway
   Au Bon Pain
2. El Taco Tote
   Saladworks

Business Insider says this is one of the least healthy things on the menu at Subway. We don't care! Look at it! A full serving is around 600 calories, so if you're worried about that, share one with a friend ... if you can manage!

1. Little Caesar's
   Pizza Hut
2. Zaxby's
   Donut Diner

America's biggest pizza chain, of course Pizza Hut would have one of the country's favorite pizzas, right? Meat lovers unite!

1. Zaxby's
   McDonald's
2. Zbarro
   Carl's Jr.

Since 1979, kids around the world certainly haven't wanted a happy meal for the food itself. It's all about the toy, isn't it? Great marketing by McDonald's in that regard. Of course, the toys often have a tie-in with whatever kids' movie is current at the time.

1. Dunkin' Donuts
   Skyline Chili
2. A&W
   Braum's

Scared of eating a whole doughnut? Munchkins are a perfect alternative. The same sugary goodness, but fewer calories! Thanks, Dunkin'!

1. Fosters Freeze
   Culver's
2. Farmer Boys
   Huddle House

Filled with cheese from Wisconsin, these stringy snacks are delicious! Let's be honest, anything with cheese is good. Deep fried cheese is even better. Just don't tell your doctor!

1. Captain D's Seafood Kitchen
   Little Caesar's
2. Carino's Italian Grill
   The Halal Guys

Although most people go to Little Caesar's for their pizza, their Crazy Bread is one of their most popular menu items. Just perfect while you wait for your pie to come out the pizza oven!

1. Wendy's
   Jersey Mike's Subs
2. Swensen's
   Jimmy John's

That's a whole lot of bacon. And possibly cholesterol. Served up by Wendy's chains across the United States, this hamburger is not called the Baconator for nothing.

1. Johnny Rockets
   Five Guys
2. Taco Bueno
   Zippy's

First spiced in 1986, Cajun Spices, a popular item on the Five Guys menu are prepared with the takeout chains famous seasoning with a Cajun base. Note that Five Guys fries are cooked in peanut oil, so those with a peanut allergy should steer well clear.

1. Wendy's
   Kewpee
2. Wienerschnitzel
   El Pollo Loco

Who doesn't like a spicy chicken sandwich? Wendy's have served this winner since 1996 and it continues to prove a popular menu item.

1. CiCi's Pizza
   Captain D's
2. McDonald's
   Charley's Grilled Subs

Available in a number of different-sized meals, McNuggets have been part of the McDonald's menu since 1981. Don't forget the yummy selection of sauces that go with them as well. They are high in calories, however, with a six-piece serving coming in at around 287 calories.

1. Wendy's
   Papa Murphy's
2. Waffle House
   Häagen-Dazs

No fancy flavors here, it's simply not needed. Just the classic chocolate and vanilla. Wendy's have served Frostys since 1969. One of the five original products at the time, it cost just 35 cents way back then.

1. Chooks-to-Go
   Weatherspoon's
2. Taco Bell
   Sbarro

Nothing beats a decent crunch while eating and the Cheesy Gordita has it by the bucketload! Spicy, crunchy and tasty, it has proved to be a winner since it was first introduced at the turn of the 21st Century.