Episode Details

The discovery that proved the Vikings got to North America, a former Marxist rebel describes how his group overran an army base in El Salvador's bitter civil war in the 1980s, the enormous palace built by the Romanian communist dictator, Nicole Ceausescu, how the prolific romantic novelist Barbara Cartland was made a Dame by the Queen and the summer of 1987 when thousands of tins of marijuana washed up on a Brazilian beach.

Photo: Replicas of Norse houses from 1000 years ago at L'Anse aux Meadows. (LightRocket/Getty Images)