View image of A lack of high mountain peaks wonât stop Swedes from skiing close to home. C F MÃ¸ller began designs for an architectural ski resort powered by geothermal, solar, wind and hydropower, which when it opens in 2015 will make it the worldâs biggest indoor ski resort â and the greenest. A 700m-long downhill slope and a drop of 525ft meet the requirements for hosting the World Cup. (Courtesy of C. F. MÃ¸ller Architects/ Berg Arkitektkontor) ____________________________________________[**See more of worldâ (Credit: http://www.travelandleisure.com/articles/worlds-biggest-buildings/7)
From clock towers to ski resorts, these massive structures from around the globe are the largest of their kind.