The stadium opened in 1975 as the Louisiana Superdome at a cost of $134 million ($786 million in today's dollars) and is now the fifth-oldest stadium in the NFL. With the 2026 opening of a new $2.1 billion stadium for the Buffalo Bills to replace its existing Highmark Stadium,

Is millions of dollars for 30 seconds of air time really worth it? Here's a timeline of how the Super Bowl became the most expensive night in advertising.