Oberrothorn, Switzerland

At 11,200 feet, Oberrothorn is among the highest trails in the Swiss Alps. The view from the top spans 13,000 feet over the Zermatt Valley, including 38 mountains and glaciers and the iconic Matterhorn. The strenuous hike clocks in at just over eight miles (roundtrip); fortunately, ski lifts allow hikers to ride up to Blauherd (8,435 feet) or to Rothorn (10,180 feet).