![A pair of Danish boats, both pre-modern](https://wp-media.patheos.com/blogs/sites/186/2016/07/Immegram_night.jpg)
(Wikimedia Commons public domain)
http://arstechnica.com/science/2016/06/rare-viking-death-house-discovered-in-denmark/
One of the things to be learned from this find is that pre-modern trade networks, and very possibly pre-modern travel, extended considerably further than some of us likely tend to assume.