Lights installed behind frozen waterfall for Trippy scene

Ice climbing meets. . . um, stage lighting and theatrics? Check out this crazy scene from Minnesota last weekend, where the organizers of a climbing festival at the Sandstone Ice Park used plastic “rope lights” connected to a car battery to illuminate frozen vertical ice and bring out the nocturnal, axe-wielding hordes. —Stephen Regenold

Photo by Peter Lenz

Photo by Matt Holland

Photo by Brenda Piekarski

Photo by Brenda Piekarski

Photo by Matt Holland

Photo by Brenda Piekarski

In the day! Photo by Sean Foster