The dino slide at flintstones bedrock city south of the grand canyon. It is an entire theme park of shodily built but awesome flintstones stuff.
The lesser known of the two American Flintstones campgrounds, (the other is in South Dakota.) it features a theme park with a train ride through a "volcano" and lifesize versions of the flintstones houses and characters as well as a gift shop, diner and campground.