I think the site is compiled by one person. If you look at the map (https://www.niche-museums.com/map https://www.niche-museums.com/map) it's heavily biased to

I think the site is compiled by one person. If you look at the map (https://www.niche-museums.com/map https://www.niche-museums.com/map) it's heavily biased towards the southern UK and the SF Bay Area.