• Photo: Kieth Ladzinski

    A single, well-positioned strobe helped Kieth Ladzinski capture filmmaker and ice climber Chris Alstrin picking his way up Grandma's Glass Pony Shop, in Ouray Ice Park, Colorado, in January 2008. The two were experimenting with night photography and shooting just before dusk. "By positioning the light in different directions, you're able to create your own shadows and different moods," says Ladzinski, who's based out of Colorado Springs. "The hardest part was battling the cold temps. Luckily, the park is close to the hotel and hot tub."

    THE TOOLS: Nikon D2X, 17-35mmf/2.8 lens, ISO100, f/5.6, 1/60 second.
  • Photo: Monica Dalmasso

    Monica Dalmasso stood in a foot of water in France's Mer de Glace last March as ice climber Françoise Aubert ascended this frozen arch using crampons and ice screws. "We didn't know if the ice would support her weight," says the Chamonix-based photographer. (It did, but the scene melted completely away six months later.)

    Dalmasso used 100-speed film and a 28mm lens and exposed the frame at f/5.6 for 1/125 second.
  • Photo: Andrew Querner

    Andrew Querner hiked into Alberta's Banff National Park in December to shoot Prince George, British Columbia's Guy Lacelle free-soloing Fearful Symmetry, a 200-foot WI6 icicle that springs from a wall in Recital Hall. "It forms rarely and melts out early with the warm chinook winds," says the 32-year-old Canmore, Alberta-based photographer. "It takes just the right combination of groundwater and temperature."

    Querner shot digitally, using a Nikon D200 with a 20-35mm lens set at f/4, exposing the frame for 1/125 second.
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