Where can you see — and vote on — the fattest bear in America?

KEY POINTS

Fat Bear Week, the social media campaign to crown the country's biggest grizzly, starts Monday.

Katmai National Park created a "bracket" for people to vote on the bear most deserving of the honor.

The viral competition attracts upwards of 1 million votes from 100 different countries.

Back in 2014, a ranger at Katmai National Park and Preserve saw some still images pulled by a fan from the park’s “ bear cam ” video stream. The Alaska park is home to some of the largest grizzlies on earth and has a camera trained on iconic Brooks Falls where waiting bears catch leaping salmon in their jaws.

Both pictures were of the same bear, but taken months apart. One was from the spring and the other from the fall and the difference in the bear’s size was significant.

After gorging i