Out's extensive secret menu are less secret than others. We've ranked some of the most popular, from cheeseburgers to drinks.

From In-N-Out's Animal Style to Shake Shack's Peanut Butter Burger, try these secret menu items from popular chains.

There are not many American dining chains born in the Southeast that inspire as much loyalty and late-night devotion as Waffle House. In multiple states across the country, it's a true institution, ...

In-N-Out has plenty of tasty menu items for people to enjoy, but not everything the fast food burger chain sells is worth ...

The Arby's menu is loaded with options, so it lends itself to secret menu items and hacks. Meats offered on the regular menu include roast beef, smoked brisket, corned beef, fried chicken cutlets, ...

In-N-Out is opening three locations in Middle Tennessee this week. The chain is known for its "not-so-secret menu" which includes popular customizations and upgrades. "Animal Style" is a popular ...

Olive Garden's fans have their favorite menu items, which they'll happily sing the praises of, and those include some ...

huge iconic hat-shaped sign reading Arby's Roast Beef Sandwich Is Delicious - Ken Wolter / Shutterstock The Arby's menu is loaded with options, so it lends itself to secret menu items and hacks. Meats ...