I followed the link... that's pretty neat. It's reminiscent of a lot of built-over CA--I mean, the creeks by me are fenced and bricked and inaccessible, etc., but occasionally a mountain lion will follow one down from the hills and pop out a mile from the highway. As people were saying in the comments, yes, it's pretty hideous, but there are probably still newts in the water and native plants on the banks. I'm not sure I think it's worth the money, but I do find the idea intriguing. Edit: and yes, it totally looks like an upscale shantytown, but so do most big campgrounds here.