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- Season 1 1993-12-10
- Season 2 1994-12-16
- Season 3 1995-08-20
- Season 4 1996-09-02
- Season 5 1997-08-17
- Season 6 1998-07-27
- Season 7 2000-01-03
- Season 8 2001-01-08
- Season 9 2002-01-02
- Season 10 2003-01-01
- Season 11 2004-01-16
- Season 12 2005-01-05
- Season 13 2006-01-04
- Season 14 2007-01-17
- Season 15 2008-01-07
- Season 16 2010-01-14
- Season 17 2010-10-29
- Season 18 2011-10-03
- Season 19 2013-07-16
- Season 20 2021-02-20
- Season 21 2021-07-25
- Season 22 2021-11-28
- Season 23 2022-02-16
Season 23 Episode
- Season 9 Breweries.
- Season 9 War Planes of World War II
- Season 9 The Winchester
- Season 9 Big Rigs of Combat: Tanks and Jeeps
- Season 9 Tunnels of Vietnam.
- Season 9 Helicopters
- Season 9 Private Jets
- Season 9 James Bond Gadgets.
- Season 9 Remote Control
- Season 9 Million Dollar Tech
- Season 9 Pleasure Boats
- Season 9 Bulletproof.
- Season 9 Siege Machines.
- Season 9 The Junkyard
- Season 9 The F-14
- Season 9 Engines
- Season 9 The Magnum
- Season 9 The Wheel
- Season 9 Star City
- Season 9 Ice Breakers
- Season 9 Fire and Ice.
- Season 9 Muscle Cars
- Season 9 Axes, Swords and Knives.
- Season 9 The World's Biggest Machines.
- Season 9 Drag Racing
- Season 9 The Manhattan Project.
- Season 9 The Tackle Box
- Season 9 Hunting Gear.
- Season 9 Camouflage
- Season 9 Models
- Season 9 Hangars
- Season 9 Beach Technology
- Season 9 The Big Dig
- Season 9 Super Guns
- Season 9 Strategic Air Command.
- Season 9 Gasoline
- Season 9 Towing.
- Season 9 Jet Engines
- Season 9 Nordhausen
- Season 9 War Trains
- Season 9 Liberty Ships of World War II
- Season 9 Magnets
- Season 9 The Chrysler Building.
- Season 9 The Autobahn
- Season 9 Home Tech
- Season 9 Cranes
- Season 9 The Internet: Behind The Web
- Season 9 Sherman Tanks
- Season 9 Great Train Disasters
- Season 9 Secret Life Of The Crash Test Dummy
- Season 9 High Tech Sex
- Season 9 The Spitfire
- Season 9 Garbage
- Season 9 More Bond Gadgets
- Season 9 Limos
- Season 9 Digi-Tech
- Season 9 Salt Mines
- Season 9 Concept Cars
- Season 9 Runways
- Season 9 Failed Inventions.
Modern Marvels - Season 9 Episode 33 The Big Dig
7.90 44 minutes The Massachusetts Central Artery/Tunnel Project, a.k.a. The Big Dig, is the most amazing municipal construction project in U.S. history. Its objective–to replace Boston’s decaying highway infrastructure with 160 new highway miles, half of which run underground and underwater. After 14 years construction, its cost–$11 billion!
