Vintage photos show what it was like to eat at Burger King in the 1980s

A crew member at Burger King holds up a double cheeseburger in 1989. Glen Martin/The Denver Post/Getty Images In 1954, the first Burger King opened its doors. An early version of the Burger King logo featured curved letters sandwiched between two yellow buns. The Whopper, which has been around since 1957, was still popular well into the 1980s. Burger King has grown from a small-time burger joint to a major American corporation. When Burger King first opened in 1954, it served 18-cent…