Where was Walking with Monsters filmed?
British television series
Wikidata records no filming location for Walking with Monsters (2005–) at all, not a place, not even a country. There is nothing to pin, and this page says so rather than guessing.
Why there is no pin
Its Wikipedia article also says it was filmed in Arizona, Canary Islands, Florida, without naming a place, so it is not on the map.
Filming locations that are mapped there: United States · Spain