As if we didn't have enough puzzles already...
A similar solution as in Coral Castle.
https://www.google.com/search?q=kryptos+statue+solution&client=firefox-a&hs=YiH&rls=org.mozilla:en-US:official&channel=sb&tbm=isch&imgil=OqkhjCGfHmcl3M%253A%253BiXSwv2OgeH0jFM%253Bhttp%25253A%25252F%25252Fen.wikipedia.org%25252Fwiki%25252FKryptos&source=iu&pf=m&fir=OqkhjCGfHmcl3M%253A%252CiXSwv2OgeH0jFM%252C_&usg=__kWVd2VNLHCnGs6wQoRr6zk7Nx04%3D&biw=1138&bih=776&ved=0CEQQyjc&ei=_2d_VPHBHO-9iQL92IDgAw#facrc=_&imgdii=_&imgrc=OqkhjCGfHmcl3M%253A%3BiXSwv2OgeH0jFM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252Fe%252Fe0%252FKryptos_sculptor.jpg%3Bhttp%253A%252F%252Fen.wikipedia.org%252Fwiki%252FKryptos%3B640%3B512 (http://www.google.com/search?q=kryptos+statue+solution&client=firefox-a&hs=YiH&rls=org.mozilla:en-US:official&channel=sb&tbm=isch&imgil=OqkhjCGfHmcl3M%253A%253BiXSwv2OgeH0jFM%253Bhttp%25253A%25252F%25252Fen.wikipedia.org%25252Fwiki%25252FKryptos&source=iu&pf=m&fir=OqkhjCGfHmcl3M%253A%252CiXSwv2OgeH0jFM%252C_&usg=__kWVd2VNLHCnGs6wQoRr6zk7Nx04%3D&biw=1138&bih=776&ved=0CEQQyjc&ei=_2d_VPHBHO-9iQL92IDgAw#facrc=_&imgdii=_&imgrc=OqkhjCGfHmcl3M%253A%3BiXSwv2OgeH0jFM%3Bhttp%253A%252F%252Fupload.wikimedia.org%252Fwikipedia%252Fcommons%252Fe%252Fe0%252FKryptos_sculptor.jpg%3Bhttp%253A%252F%252Fen.wikipedia.org%252Fwiki%252FKryptos%3B640%3B512)