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Modern Marvels
Season 13 · Episode 43
Cities of the Underworld
0.044mSeptember 21, 2006
Teamed with leading archeologists and experts, peel back the layers of the past--to reveal a hidden history that hasn't seen the light of day for ages.
Episodes
- Episode 1Containers
- Episode 2Fire
- Episode 3Cotton
- Episode 4Engineering Disasters 18
- Episode 5Candy
- Episode 6Weird Weapons: The Axis
- Episode 7Nature Tech: Avalanches
- Episode 8Engineering Disasters: New Orleans
- Episode 9Leather
- Episode 10Engineering Disasters 19
- Episode 11Insulation
- Episode 12Hi-Tech Hitler
- Episode 13Shovels
- Episode 14Drilling
- Episode 1580s Tech
- Episode 16Ben Franklin Tech
- Episode 17Copper Kings
- Episode 18Heavy Metals
- Episode 19Money
- Episode 20BBQ Tech
- Episode 21American Eats Special
- Episode 22High Explosives
- Episode 23Pirate Tech
- Episode 24Boneyard: Where Machines End Their Lives
- Episode 25World's Biggest Machines 5
- Episode 26Super Tools: Skyscraper
- Episode 27The AK-47
- Episode 28Nuts
- Episode 29Classic Cars
- Episode 30Making Medieval Armor
- Episode 31Rube Goldberg
- Episode 32Batteries
- Episode 33Mummy Tech
- Episode 34Levees
- Episode 35Water
- Episode 36The Cola Wars
- Episode 37Copper
- Episode 38Shotguns
- Episode 39Building In The Name Of God
- Episode 40Horsepower
- Episode 41Renewable Energy
- Episode 42Freight Trains
- Episode 43Cities of the Underworld
- Episode 44Atlantic Intracoastal Waterway
- Episode 45Stealth & Beyond: Air Stealth
- Episode 46Stealth & Beyond: Sea Stealth
- Episode 47Ink
- Episode 48Distilleries 2
- Episode 49World's Strongest
- Episode 50Tomcat Sunset
- Episode 51Tobacco
- Episode 52The Supermarket
- Episode 53Breakfast Tech
- Episode 54Wine
- Episode 55Harvesting 2
- Episode 56Engineering Disasters 20
- Episode 57Snow
- Episode 58Tea
- Episode 59Christmas Tech
- Episode 60Wind