Which two states had major gold ruches in the U.S?

The two states that experienced major gold rushes in the U.S. are California and Alaska. The California Gold Rush began in 1848, drawing hundreds of thousands of prospectors to the region, while the Klondike Gold Rush in Alaska occurred in the late 1890s, attracting many fortune seekers to the Yukon Territory. Both events significantly impacted the population and economy of their respective regions.