Rheinbach, Germany - 13.6 miles from Erp: Oberdrees Weathercam - The webcam is located in in Rheinbach's quarter Oberdrees and is pointed randomly towards north, west or south (24h online).
Bad Münstereifel, Germany - 14.7 miles from Erp: Radio Telescope Effelsberg - View of the Radio Telescope Effelsberg, formerly the largest free steerable radio telescope in the world.