Final call, registration is about to close, 3 spots left, use code EGYPT2024 to get $200 off The Yonaguni Monument is an underwater stone structure that was discovered in the 1980s near Yonaguni Island, Japan. This ziggurat or step pyramid like structure is more than 165 feet long and some 65 feet wide. The monuments … Continue reading The Yonaguni Monument: Massive Undersea Super-Structure
