My outdoor decor keeps blowing away -- how do I anchor it?

I have lots of great outdoor space but live in a very windy area. I have had my 80lb barbeque grill blow over, my teak glider blow over, all of my 30lb+ potted plants blow over. I've even had a cast-alumninum lounge chair fly over a three-foot deck rail and land 40 feet away. How can I anchor everything to keep that decorated look going with the breezes?