Photo #4 is not currently a golf course, but by all accounts was destined to be one. However, I have not been able to find someone to confirm the original intent of the property. On some of the "holes", it looks like grading was done for tee boxes.
I have come to call it Dollar Hill Golf Course, just east of Tahoe City, North Shore Lake Tahoe. It offers cross county skiing during the winter and mountain biking, hiking and a fantastic dog run.
Looking at the aerials, it sure looks like a golf course to me ... I count 9 holes ..