Underwater Pyramids in Yonaguni
Off Japan's coast, massive underwater stone terraces challenge everything scientists thought they knew about ancient civilizations and natural formations....
The City Beneath the Sea in Mexico
Journey beneath Mexico's waters where ancient Mayan cities defy history, hiding secrets that archaeologists never expected to find....
The Underwater Ruins of Dwarka
Ancient ruins discovered beneath India's waters predate known civilizations by millennia, challenging everything archaeologists thought they knew about human history....
The Lost City of Helike in Greece
Discover the mysteries of Helike, an ancient Greek city swallowed by the sea—what secrets still await beneath the waves?...