Super Bowl squares are a yearly tradition for the NFL's championship game. DraftKings and FanDuel have their own versions that add skill to the mix.

As gambling has become more mainstream, the wagers have become enmeshed in pop culture too. What are the odds Travis proposes to Taylor?

No one knows exactly how much money is bet on the Super Bowl, but it’s a lot — more than $10 billion, according to estimates, much of it illegally. The most common way to bet is through the point spread (Kansas City is a 1 1/2-point favorite, meaning they must win by at least 2 points for bettors backing them to cash in).

From the first Super Bowl to Tom Brady vs. Patrick Mahomes, we take a closer look at the most anticipated contests in the game's history.