The Tod Engine is one of three remaining rolling mill engines in the United States and is a Mechanical and Materials Engineering Landmark.
Tacoma Narrows Bridge, first suspension bridge across the Narrows of Puget Sound, connecting the Olympic Peninsula with the mainland of Washington state, U.S., and a landmark failure in engineering history.
The Los Angeles Conservancy includes the Four Level on its list of historic places, and the Los Angeles Section of the American Society of Civil Engineers has designated it a historic civil engineering landmark.
The George Washington Bridge is a cathedral of steel cables and beams, a stark, glimmering span that has become a civil engineering landmark, not to mention the busiest vehicular bridge in the world.
In 1981, the turning tank, the first ever built with a rotating arm to test for maneuverability, has been designated an international historic mechanical engineering landmark by the American Society of Mechanical Engineers.
One of the complexes in Smith's care is, in fact, an architectural and engineering landmark: American Elevator, the country's first continuous-pour, slip-form grain elevator, which was built in 1906 for the American Malting Company.
The bridge was entered on the state's heritage register on 8 January 1999, and was named a national engineering landmark by the Institution of Engineers, Australia, in November 1999.
Titan was designated as an International Historic Civil and Mechanical Engineering Landmark by the American Society of Civil Engineers in 2013, the fifth such award given to a Scottish structure.
Major engineering landmarks of the scheme included the Barton Swing Aqueduct, the first swing aqueduct in the world, and a neighbouring swing bridge for road traffic at Barton, both of which are now Grade II listed structures.
The adjacent Prospect Park, which Olmsted and Vaux considered more successful than their Central Park, is a landmark in the physical engineering of modern democracy.
