I like the old ski slopes that have been around awhile. Lake Tahoe has numerous abandoned slopes that were used from the 1920's to the 50's. I recovered numerous silver coins off of them. Try and be there just as the snow is beginning to melt, your eyeball finds can be almost as much as the detector finds. I've seen watches, gold jewelry, sun glasses, and hundreds of clad coins just laying on top on the wet ground. Look for small holes on top of the snow, that always indicates a coin or some other object melting its way down. If you are one of the first detectorist there you should find some goodies. Have fun...