No. of Episodes:

20

Starring :

Season 3

14/03/2006

Episodes

Berlin Wall

Impossible bridges: Denmark to Sweden

Impossible Bridges: Greece

Apache Helicopter

Hoover Dam

Inside NCIS

Impossible Bridges:China

Garbage Mountain

Ice Hotel

Machines of War: Tanks

Supertanker

Machines of War: Missiles

How it's built: Steel

Machines of War: Guns

Panama Canal Unlocked

Science of Bricks

Science of Concrete

Megafactories Ferrari

Ultimate Structures: Super Pipeline

Rockeaters of Iceland