“You need to go to zoom 4 to get most of Placemark: Fermilab / Google Earth on the map. You can see the main injector and the Tevatron, and the three lines pointing off to the northeast are where they can fling the particles/anti-particles into targets (”neutrino”, “proton” and “meson” areas) if they don’t want to just smash the counter-rotating beams (compare detailed site map).