Displaying results 1 of 20 - 256
        
    | Date Sort ascending | Image | Innovation | City | State | Country | 
|---|---|---|---|---|---|
| First century AD |   | Acueducto de Segovia | Segovia | SEG | Spain | 
| between 1842 and the |   | Baltimore & Ohio Roundhouse & Shop Complex | Martinsburg | WV | USA | 
| BC 100 |   | Ifugao Rice Terraces | Bananue | Philippines | |
| 750-1180 |   | Prehistoric Mesa Verde Reservoirs | Montezuma County | CO | USA | 
| 605 AD |   | Zhaozhou (or Anji) Bridge | Zhaoxian | Hebei | China | 
| 600 - 1450 AD |   | Hohokam Canal System | Phoenix | AZ | USA | 
| 537 |   | Hagia Sophia | Istanbul | Turkey | |
| 300 BC - 1400 AD |   | Guayabo Ceremonial Center | Turrialba | Turrialba | Costa Rica | 
| 2575-2137 BC | Lake Moeris Quarry Road | Faiyum District | Egypt | ||
| 1974 |   | Snowy Mountains Hydro-Electric Scheme | Khancoban | NSW | Australia | 
| 1959 |  | Utica Memorial Auditorium | Utica | NY | USA | 
| 1958 |   | Mackinac Bridge | St Ignace | MI | USA | 
| 1956 |   | Lake Pontchartrain Causeway Bridge | New Orleans | LA | USA | 
| 1956 |   | The Dalles Lock and Dam | The Dalles | OR | |
| 1952 |   | Dorton Arena | Raleigh | NC | USA | 
| 1947 |   | Maine Turnpike | ME | USA | |
| 1944 |   | Kentucky Dam | Grand River | KY | USA | 
| 1944 |   | Hanford B Reactor | Richland | WA | USA | 
| 1943 |   | Denison Dam | Denison | TX | USA | 
| 1943 |   | Red Hill Underground Fuel Storage Facility | Aie | HI | USA | 
 
        
    
