About 10 years ago there was a project called "Sightsmap". It was a heatmap of the most photographed sights in the world. I really loved the map for planning r

About 10 years ago there was a project called "Sightsmap". It was a heatmap of the most photographed sights in the world. I really loved the map for planning road trips and city trips. I would love such a service again. I think OPs data/maps represent basically the same information.