Where was Periodic Videos filmed?
YouTube channel by Brady Haran and Martyn Poliakoff
Periodic Videos was filmed in Nottingham and Ytterby mine, 2 places named in its Wikipedia article, in the United Kingdom, Sweden. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's article
The Wikipedia article names 2 places. Each links to the sentence that says so.
Also shot in these places
WeekendRomance film2011

