Episode 1 of 2. Dan Snow uncovers the lost Vikings in America with Dr Sarah Parcak.

Using satellite technology, the lost Vikings of America are unearthed and explored.

How were the Vikings so successful establishing their vast empire? Historian Dan Snow uncovers the lost Vikings in America with space archaeology expert Dr Sarah Parcak. She uses forensic science techniques and satellites to spot Viking sites, some as small as 30cm, beneath the ground. Dan explores how these master navigators voyaged thousands of miles, when most ships never left the shoreline.