Sounds like Los Banos is a more rural or suburban area than Lake Tahoe is. You may be interested in our rural tips thread, as it lists many eligible POIs that could be submitted to be Wayspots:
Many parks have multiple POIs. The park itself can be a POI, while things like playgrounds, sports courts, swimming pools/splash pads, hiking trails, monuments, etc, are also eligible.
As for Power Spots, what you call Dynas, these are a mix of unused Wayspots and imports. We have little control over what becomes a Power Spot, especially the imported ones. You can find more info on them here: