Megastructures (Documentary, English)
Status: Ended
Premiered: 2004-09-15
Ended: 2011-11-17
Network: National Geographic
Country: US
Airs on: Tuesday
Air time: 10:00
Runtime: 60 minutes
Take an eye-popping look at the greatest structures and machines ever created as we focus on some of the world's modern-day super-human miracles of construction.