Zermatt, Switzerland, is legendary throughout the global climbing community. It is surrounded by incredible mountain peaks, whose names—Breithorn, Täschhorn, Monte Rosa, and the iconic Matterhorn—echo through climbing history. With the thousands of tourists that file up and down these peaks each year, it is easy to forget that there was a time when the safest routes were still mysterious—and that to this day, one wrong move could cost you your life. The cemetery of Zermatt has a special section, elevated above the rest of the graves and shaded by pine…