Burger King is the second-largest fast-food burger chain in the world, and it isn't for lack of trying.

Ever since the first Insta-Burger King opened its doors in Jacksonville, Florida, in 1953, the chain has been serving up signature flame-broiled burgers, milkshakes, and fries that have satisfied customers all over the globe.

We took a look back at how the chain has evolved over the years, from mascot and menu changes to restaurant redesigns and the chain's reaction to the coronavirus pandemic.

Here's how Burger King has changed since its beginnings in the 1950s.