The Show House is a location in North Tyris, southeast of Vernis, southwest of the Crypt of the Damned, and due east of the Cyber Dome; it has the same appearance as the Cyber Dome or Cyber house, but tinted brown/tan instead of blue. The Show House is used to view areas you've exported via F8 or downloaded from the internet into your user directory. If you don't have any such areas, then attempting to enter it will give you an empty "Room List" menu, and the only thing you'll be able to do is close the menu. If you have one or more usermap areas, you'll be able to choose one to enter.