Final answer:
The Ponoka Stampede is Alberta's second-largest stampede, offering over $1,000,000 in prize money as of 2018. It is a significant rodeo event in Canada, drawing international competitors and spectators.
Step-by-step explanation:
The Ponoka Stampede is the largest winning stampede in Alberta with the prize money surpassing $1,000,000 in 2018. Established in 1936, the Ponoka Stampede is one of Canada's largest rodeos and is a seven-day event that attracts competitors and spectators from all around the world. It is second only to the Calgary Stampede in terms of prize money and prestige within the province of Alberta.