Source: Copernicus DEM, OSM Lighthouses and Lighthousefriends.com
Tools: Blender, QGIS, Global Mapper, Photoshop
Description: Within Blender the author placed light sources on top of all the lighthouse points data to create a map with glow and shadow across the 3d surface model. Check out other examples on the author website: https://visualwallmaps.com/
This reminds me of cosmological maps of distant quasar groupings, making structures much larger than theory can currently explain, like the Sloan Great Wall, or the Hercules-Corona Borealis Great Wall.