Across the globe, there are remarkable ruins, statues and carvings that appear to connect diverse ancient civilizations to one another. Hindu idols have been found in South America. Druid structures have been uncovered in the United States. And Egyptian hieroglyphs are carved in rock walls in Australia. Was our world once more interconnected than we ever thought? And if so, do the shared legends of sky gods and visitors from space point to a planet-wide -- extraterrestrial connection?