Artist Marjan Verkerk made this “map” of her hike in the coastal area near Kayoköy in Turkey. The deserted village of Kayoköy is a UNESCO World Heritage Friendship and Peace Village.

Searching Google Maps for Kayoköy, I was astonished by the explosion of Panoramio photos.  This made me think it would be nice if there were such a site for works of art. It might look like this…

Update 28/6/2018: Panoramio no longer available, bought by Google, aspects of photo sharing incorporated into Google.
Art and maps: Google Arts and Culture. Select Nearby to see museums on map… not artworks.
Van Gogh Gallery has works of art geographically placed, but not handy.