Alaska Mega Machines

Engineers on the Alaskan island of Sitka construct a colossal dam capable of powering an entire town. Plus, Alaska's biggest boat lift hauls a 400-ton fishing ship

Thursday, 15 October 1 airing
12:00
Discovery Science
S1 E1 · Gargantuan Off the Grid
Friday, 16 October 2 airings
11:00
Discovery Science
S1 E2 · Beasts of the Arctic
12:00
Discovery Science
S1 E3 · The Yeti Strikes Back