Professor Alice Roberts reveals how archaeologists are shedding light on one of history’s most mysterious periods. For three hundred years after the collapse of Rome, Saxons and Vikings rampaged through Europe, but then these pagan societies seemed to disappear. From new discoveries of Viking settlements and burials in Scandinavia, to the last stand of paganism against Christendom in Poland, Alice reveals the catastrophes, calamities and disasters which helped shape modern Europe.