Ive tried dowsing, using rods to locate objects such as deliberately hidden money, personal items such as watches etc.Successful as well i have to report, its not something i have focused on greatly though, at the time it was just a 'bit of fun'..its all about 'tuning' into the object your seeking.
Otherwise i have dowsed for energies at several sites in SW Cornwall, using my hands though, i am extremely sensitive to natural energies(not always a good thing y'know),at 'Men an Tol' and 'Boscawen un' ive tracked energies originating from these structures leading in several directions,Other sites as well .These energies tended to fluctuate with each coming day, i never found a constant level.I did make notes taking into account tidal conditions, moon phase's and other factors and realised some very interesting things!.

food for thought for you!!

paul