Has Atlantis been found?

Has the lost city of Atlantis finally been found? A Connecticut professor and his international team think so.

In Sunday night's National Geographic special "Finding Atlantis," Richard Freund from the University of Hartford presented evidence that the sunken city may be located in mud flats in southern Spain.

The fabled island metropolis was believed to be hit by a tsunami thousands of years ago that caused it to disappear into the sea.