About the mentioned episode "the Well" - to a native Norwegian it was painfully obvious that the "Norwegian" landscape in fact was located on the western shores of the US. That was quite obviously not a sub -arctic forest. I loved, on the other hand, the mistranslated name of the national park; "Trillemarka" would mean something like rolling hills or rolling landscape - sadly it means literally, physically rolling like a wheel. In my headcanon it is the home of tumbling peat, as that is another possible translation.
Still, it doesn't beat Dr Who's Dårligulvstranden (attempt at Bad Wolf Bay) - "Low-quality Wolf Beach" or "Crappy Wolf Cove)