Danny goes to Southern California to assist in the drilling of water supply tunnels. He goes 1000 feet under a mountain range to help with the construction.
Coaster Build Off
Battle Machines
World's Tallest Skyscraper
Super Fast Warship
Boot Camp
Fault Zone Tunnel
Hurricane-Proof Homes
Floating City
Biggest Casino
High-Risk Tower
Turbocharged Boats
Mountain of Steel
Deepest Tunnel
Major League Stadium