Displaying results 1 of 20 - 258
Date Sort ascending | Image | Innovation | City | State | Country |
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First century AD |
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Acueducto de Segovia | Segovia | SEG | Spain |
between 1842 and the |
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Baltimore & Ohio Roundhouse & Shop Complex | Martinsburg | WV | USA |
BC 100 |
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Ifugao Rice Terraces | Bananue | Philippines | |
750-1180 |
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Prehistoric Mesa Verde Reservoirs | Montezuma County | CO | USA |
605 AD |
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Zhaozhou (or Anji) Bridge | Zhaoxian | Hebei | China |
600 - 1450 AD |
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Hohokam Canal System | Phoenix | AZ | USA |
537 |
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Hagia Sophia | Istanbul | Turkey | |
300 BC - 1400 AD |
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Guayabo Ceremonial Center | Turrialba | Turrialba | Costa Rica |
2575-2137 BC | Lake Moeris Quarry Road | Faiyum District | Egypt | ||
1974 |
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Snowy Mountains Hydro-Electric Scheme | Khancoban | NSW | Australia |
1959 |
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Utica Memorial Auditorium | Utica | NY | USA |
1958 |
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Mackinac Bridge | St Ignace | MI | USA |
1956 |
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The Dalles Lock and Dam | The Dalles | OR | |
1956 |
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Lake Pontchartrain Causeway Bridge | New Orleans | LA | USA |
1952 |
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Dorton Arena | Raleigh | NC | USA |
1947 |
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Maine Turnpike | ME | USA | |
1944 |
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Hanford B Reactor | Richland | WA | USA |
1944 |
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Kentucky Dam | Grand River | KY | USA |
1943 |
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Red Hill Underground Fuel Storage Facility | Aie | HI | USA |
1943 |
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Blimp Hangars | Irvine | CA | USA |