Abandoned Mines!
And if you drove through The Hills up The Mountain to The Radar Tower at night, you had to be careful, because your breaks could mystreriously fail, and then a little Green Glow would appear in the middle of your windshield, and the faster you went down the hill, the more the Green Glow would spread out and cover your windshield.
Suddenly, you were speeding down The Mountain down the winding road without vision in the Green Glow in the dark with no breaks and...