Displaying results 141 of 160 - 256
Date | Image | Innovation Sort descending | City | State | Country |
---|---|---|---|---|---|
1917 | Lake Washington Ship Canal & Hiram M. Chittenden Locks | Zanesville | WA | USA | |
1886 | Lawrence Experiment Station | Lawrence | MA | USA | |
1830 | Louisville and Portland Canal Locks & Dam | Louisville | KY | USA | |
1830 | Louisville Waterworks | Louisville | KY | USA | |
1821 | Lowell Waterpower System | Lowell | MA | USA | |
1460 | Machu Picchu | Peru | |||
1958 | Mackinac Bridge | St Ignace | MI | USA | |
1947 | Maine Turnpike | ME | USA | ||
1909 | Manhattan Bridge | Brooklyn | NY | USA | |
1873-1887 | Marlette Lake Water System | Carson City | NV | USA | |
1906 | Marshall Building | Milwaukee | WI | USA | |
1767 | Mason-Dixon Line | USA | |||
1887 | McNeill Street Pumping Station | Shreveport | LA | USA | |
1826 | Menai Suspension Bridge | Isle of Anglesey | Wales | UK | |
1922 | Miami Conservancy District | Huber Heights | OH | USA | |
1803 | Middlesex Canal | Billerica | MA | USA | |
1919 | Milwaukee Metropolitan Sewage Treatment Plant | Milwaukee | WI | USA | |
1860 | Minot's Ledge Lighthouse | Scituate | MA | USA | |
1920-1927 | Missouri River Bridge | Chamberlain | SD | USA | |
1928 | Moffat Tunnel | Nederland | CO | USA |