Extreme Engineering is a documentary television series that airs on the Discovery Channel and the Science Channel. The program features futuristic and ongoing engineering projects. As of April 2011, the show is airing its ninth season. Danny Forster first hosted the series in season 4 and has been the host since season 6.Engineering the Impossible was a 2-hour special, created and written by Alan Lindgren and produced by Powderhouse Productions for the Discovery Channel. It focused on three incredible, yet physically possible, engineering projects: the nine mile (14 km)-long Gibraltar Bridge, the 170-story Millennium Tower and the 4000+-foot-long Freedom Ship. This program won the Beijing International Science Film Festival Silver Award, and earned Discovery's second-highest weeknight rating for 2002. After the success of this program, Discovery commissioned Powderhouse to produce the first season of the 10-part series, Extreme Engineering, whose episodes were written by Alan Lindgren, Ed Fields and several other Powderhouse writer-producers. Like Engineering the Impossible, the first season of Extreme Engineering focused on extreme projects of the future. Season 2 (and all seasons since) featured projects already in construction around the world.Gotthard Base Tunnel ( Season 1, Episode 6) - The TBM from Bodio arrived at MFS Faido in September 2006WAGtv Ltd. produced 6 episodes for Discovery[citation needed] that were also broadcast in the United States as part of the 4th season of Extreme Engineering.