Imagine diving into the deep blue... and finding a whole city sitting silently at the bottom of the ocean. Sounds like ...

Pavlopetri, a small islet in the Peloponnese, is the oldest ancient Greek city that has ever been discovered underwater.

More than two decades after it was first discovered, a mysterious ‘underwater city’ off the coast of Cuba is back in the ...

A tantalizing trove of treasure from a 2,000-year-old underwater city was pulled from the sea off the coast of Egypt Thursday, much to the delight of art and history buffs. The ancient artifacts — ...