Cue the Llamas: The Inca Trail

The Inca Trail is not for wimps.  Forty-four kilometers long — that’s a marathon — it begins at 8650 feet, climbs over two 13,000-foot-plus passes and arrives four days later in Machu Picchu.  And those Incas didn’t do switchbacks.  No, those bad-ass mo-fos saw a cliff face and said, “You know what sounds fun?  Let’s build…