The creator of the "From The Web" gallery claims that Gatlinburg Xanadu is still standing, but covered in wood siding. This is incorrect; read this page for more info:
http://glowlab.blo...ndom_thoughts.html Most likely, either the "Rock Shop", "Sugarland Wedding Chapel", or a carpark are currently standing on the property once occupied by Gatlinburg Xanadu. Shame, I'd have liked to have seen it...