THE VIKINGS: DARK WARRIORS from HISTORYr is a wild and unforgettable journey across land and sea, revealing dark  Viking secrets along the way. In THE VIKINGS: VOYAGE TO AMERICA, adventurer Josh Bernstein sails a Viking ship from  Scandinavia to Newfoundland on a breathtaking 4,000-mile journey via Iceland and southern Greenland. With the ancient  sagas as his guide, he proves that the Vikings' expert maritime skills enabled them to reach America 500 years before  Columbus. LEIF ERICSON: VOYAGES OF A VIKING furthers the trail of the Vikings in America, revealing the amazing  discovery in Newfoundland of the actual ancient settlement site of Leif Ericson. And in VIKING UNDERGROUND, you'll go  deep below Dublin, Ireland, to discover pagan burial tombs, subterranean tunnels, mysterious burial crypts and even an  underground river running through the heart of the city.