Whether you’re seeking photo-worthy views or the serenity of untouched wilderness, this park and its dramatic, sharp spires that look like they've been airlifted over from Italy's Dolomite Mountains .

Since 2002, the Peruvian government has required tourists to have a permit and a guide to hike the Inca Trail to Machu Picchu. Only licensed guiding companies can obtain permits, so it's vital to do ...