While I can admire this guy and his wife's achievements in getting stuff done, I think it'd be more impressive if his art actually meant something - whenever I see stuff like this (random sculptures and monuments, paintings, art movements, etc.), I can't help but think of one phrase:

Cam Whore

Think about it. These projects do nothing but take up time, money, space, and resources in general, and it doesn't even say ANYTHING. The Pyramids and the Parthenon had points - they were made to honor people or deities. They were beautifully made and painstakingly accurate in dimensions and detail. They were the subject of prose for generations to come, and let's face it, if you're going to make monuments of vanity (be it to yourself or your deities), then this is the way to do it.