'Mysterious' Baltic Sea Object Is a Glacial Deposit

A feature on the floor of the Baltic Sea that was discovered last summer by Swedish treasure hunters is making headlines once again. The latest media coverage draws upon an hour-long radio interview with Peter Lindberg, head of the Ocean X Team (which made the "discovery"), in which Lindberg delivers a string of cryptic and titillating statements about the "strange" and "mysterious" seafloor object his team has been exploring for a year.

Lindberg discusses various possibilities for what the object might be: "It has these very strange stair formations, and if it is constructed, it must be constructed tens of thousands of years ago before the Ice Age," he said in the radio interview. (The peak of the most recent Ice Age occurred some 20,000 years ago.)

"If this is Atlantis, that would be quite amazing," he said. Atlantis is a mythical underwater city referred to in ancient legends. Read more