ECOND CHANCES ARE SCARCE. After a grueling two-day ascent over unrelentingly steep scree and a sloping glacier, one morning I stood atop remote Paso del Cuadrado, overlooking one of the most incredible views on Earth. Fitz Roy, Torre, Pollone, and Gran Gendarme—peaks of legend—stood arrayed before me, mighty spears piecing the heavens, kindled with fire from Aurora’s light. One place, one moment—and only one chance to get it right. March 2010, Los Glaciares National Park, Argentina.