Overview Cahokia was the largest and most complex pre-Columbian urban center north of Mexico, built by the Mississippian Mound Builders between 1050–1350 CE. Located near present-day St. Louis, Cahokia was a thriving metropolis of tens of thousands of people, filled with vast earthen pyramids,…
Overview Caral-Supe, located in the Supe Valley of coastal Peru, is the oldest known city in the Americas and one of the earliest cradle civilizations in the world. Flourishing around 3000–1800 BCE, Caral predates the Inca, the Maya, and the Olmec, and is contemporary…
Overview The Carnac Stones, located in Brittany, France, represent one of the most extensive and mysterious megalithic complexes in the world. Comprising more than 3,000 standing stones, dolmens, tumuli, and stone circles, the Carnac alignments date back to the Neolithic period (circa 4500–3300 BCE).…
Overview Crystal skulls are carved quartz or gemstone skulls associated with mystery, legend, and metaphysical lore. Found primarily in museums, private collections, and spiritual communities, these skulls range from small handheld carvings to life-sized sculptures of astonishing craftsmanship. Though many known examples date to…
