In the 1980s and '90s, particle physicists in the United States held planning retreats in swanky Snowmass, Colorado. Now they're about to reconvene for the first time since 2001—in Minnesota, at a meeting billed as "Snowmass on the Mississippi." The less-lofty venue mirrors the sagging fortunes of U.S. particle physics research, which over the past decade has largely ceded the field to labs in Europe and Japan. At the meeting, U.S. physicists will explore options for making a comeback. But some say Snowmass needs to be bolder about setting priorities in order to give their research program a solid chance of revival.