Did Vikings visit America in the distant past, leaving evidence by carving runes on a massive stone in eastern Oklahoma? It's still a mystery.

However, a recent study has deciphered a new translation of the stone, one the researchers believe alludes to a Viking fear very ... just keep swimming'. The ancient city of Butrint is the first ...

it also has that rarest of things - the name of the person who was responsible. Down one side, written in ancient Norse runes, is the inscription 'Thorwald raised this cross'.