Larry Harrop reminds me that this link may be of interest. It is about a guy in Michigan using ropes and levers to single-handedly move huge rocks. All it takes is balance and finesse. He is building a "Stonehenge" by himself. So check out these videos if you haven't seen them already.
Flint man solves the mystery of Stonehenge
Try this one here.
SORRY LINKS BROKEN