Media rooms, arcade games, full gyms making downstairs space not so musty
                                
                                
                                    (Newser) -
                                    Basements are no longer the lowly underbelly of the high-end home. With the rise of home-theater technology, and widespread community opposition to mansion expansion, wealthy homeowners are increasingly turning basements into underground playgrounds, Portfolio reports, featuring everything from faux-'50s diners to recording studios to saunas. “Whether you have a...