The town dump is a great concept and I agree with others, it is a fun place to kill a few hours and buy nothing. Some interesting items: a huge metal pig, a room of all steel images of Dias De Los Muertos, a 15 foot tall orange ladies leg, animals from a merry go round, tons of mexican pottery, art, mirrors, all sorts of steel designs.. So basically a lot of everything.. The only disappointment was the price, I guess they cater their prices to tourists? I don't know who else in their right mind would pay these exuberant amounts.. Especially knowing there are about 100 other places to find similar stuff for 1/2 the price all over the valley.
Either way if you find yourself in Cave Creek it is a cool place to check out.