History's Greatest Mysteries 7 12 11738538 2026-04-27 Known for their seafaring skills and feared for their ferocity, the Vikings amassed gold, silver and other riches while trading and raiding across Europe; catches of this treasure have been found in Europe and North America, but this may be just the tip of the iceberg; are there any rich Viking hoards still waiting to be found? And if so, where are they? 42 7 12 https://artworks.thetvdb.com/banners/v4/episode/11738538/screencap/69f05ca6d2e23.jpg