The largest building in the world: New Century Global Center in Chengdu, China

SoundTrack: Jill Zimmerman Yosemite New Century Global Center. The New Century Global Center in Chengdu, in Sichuan in western China, is so big that it s got its own artificial sun. Indeed, at 500 meters (1, 640 feet) long, 400 meters (1, 310 feet) wide and 100 meters (325 feet) high, it s massive enough to hold 20 Sydney Opera Houses or three Pentagons, according to local authorities. Of course, you won t find any Sydney Opera Houses or Pentagons inside this 1. 76 millionsquaremeter millionsquar br, br,