At Machu Picchu, built around 1450 AD, stands the Intihuatana stone, known as The Hitching Post of the Sun in Quechua. The Incas believed this sacred stone tethered the sun to the earth during the winter solstice. Serving as an astronomical tool, it functioned as a solar clock and calendar by aligning shadows during equinoxes and solstices to mark the seasons. This celestial calendar guided the timing for planting and harvesting crops. Though many similar artifacts were destroyed during Spanish