I was very happy to recently realize that you can put latitude and longitude directly into google maps, and it will give you a map with that marker. This is really useful if the address gives you a location that isn't right, as you can manually adjust the latitude and longitude to put the marker in the right place.
My parents almost live on the 44 degree lat line (I think the GPS coords for our wedding were 43.9998), so it occurred to me to see where the closest integer Lat / Long was to them, which isn't that far away, though it's close to a mile off any of the local roads.
I was obviously curious where the closed one was to me, which I've actually been past before. It's also only a couple hundred feet of a road, so easy to get to.
And that made me wonder. What an interesting experiment that would be, to get a photo from ever integer lat / long on the planet, and display it on a website. I've got too many sticks in the fire, so no time for that, but if anyone decides to do it, let me know. I'll contribute a few pictures from the ones I can get to.
Updated: apparently this already exists, my search terms were just wrong the first time. It's called the Degree Confluence Project.