The Incan Sun Temple at Machu Picchu (9/20)

While Machu Picchu is one of the most famous archaeological sites in the world, the full extent of the Incan empire’s spiritual and architectural mastery remains hidden. The Sun Temple, with its perfect alignment with the solstices, and other ceremonial spaces within Machu Picchu, continue to reveal new layers of meaning and purpose that were once reserved for Incan priests.