- Acquedotto Traiano-Paolo , Rome , Italy (built by the Romans)
- Banaue Rice Terraces , Banaue, Ifugao , the Philippines
- Eddystone Lighthouse , off Plymouth , England
- Eiffel Tower , Paris , France
- Great Wall Of China , China
- Hagia Sophia , Istanbul , Turkey
- Kavanagh Building , Buenos Aires , Argentina
- Panama Canal , Panama
- Ponte Maria Pia Bridge , Oporto , Portugal
- Salginatobel Bridge , Shiers, Grisons , Switzerland
- Sweet Track , England (the world's oldest-known engineered Road way)
- Sydney Harbour Bridge , Sydney , Australia
.]]
- Navajo Bridge, Page
- Theodore Roosevelt Dam & Salt River Project, Phoenix
- Hohokam Canal System, Phoenix
- White River Concrete Arch Bridge, Cotter
- Blimp Hangars, Tustin
- Alvord Lake Bridge , San Francisco
- Bridgeport Covered Bridge, Nevada City
- Golden Gate Bridge , San Francisco
- Sweetwater Dam , Spring Valley
- First Owens River - Los Angeles Aqueduct, Bishop
- Colorado River Aqueduct , Blythe
- Tehachapi Pass Railroad Line
- Central Pacific Railroad , Sacramento
- Arroyo Seco Parkway , Los Angeles
- Pelton Impulse Water Wheel , Camptonville
- Folsom Hydroelectric Power System, Folsom
- San Francisco-Oakland Bay Bridge , San Francisco
- Bidwell Bar Suspension Bridge, Oroville
- Cheesman Dam, Denver
- Durango-Silverton Branch of the D&RGW RR, Durango
- Gunnison Tunnel, Montrose
- Prehistoric Mesa Verde Reservoirs, Mesa Verde
- Moffat Tunnel , Winter Park
- Rocky River Pumped Storage Hydro-Plant, New Milford
- Cortland Street Drawbridge, Chicago
- Chesbroughs Water Supply System, Chicago
- Reversal of the Chicago River , Chicago
- Keokuk Hydro-Power System, Keokuk
- Hydraulics Laboratory at the University Of Iowa , Iowa City
- Royal Colonial Boundary of 1665, Middlesboro
- Louisville and Portland Canal Locks & Dam, Louisville
- Louisville Water Works, Louisville
- Kentucky Dam, Gilbertsville
- High Bridge, Jessamine
- McNeill Street Pumping Station, Shreveport
- Eads South Pass Navigation Works, Venice
- Bailey Island Bridge, Harpswell
- Portland Head Light , Cape Elizabeth
- Robyville Bridge, Corinth
- Maine Turnpike
- Waldo-Hancock Suspension Bridge, Bucksport
- Watson Settlement Bridge, Littleton
- Sewall's Bridge, York
- Hemlock Bridge, Fryeburg
- Borden Base Line, Hatfield
- Moseley Wrought Iron Arch Bridge, North Andover
- Canton Viaduct, Canton
- Lawrence Experiment Station, Lawrence
- Minot's Ledge Lighthouse, Cohasset
- Middlesex Canal, Lowell
- Charlestown Naval Dry Dock, Boston
- Cape Cod Canal , Barnstable
- Charles River Basin Project, Boston
- Hoosac Tunnel , North Adams
- Granite Railway, Quincy
- Boston Subway , Boston
- Lowell Waterpower System, Lowell
- Watertown Arsenal, Watertown
- U.S. Army Corps of Engineers Waterways Exp. Station, Vicksburg
- Hoover Dam , Boulder City
- Marlette Lake Water System, Virginia City
- Five Stone Arch Bridges, Hillsborough
- Mount Washington Cog Railway, Mt. Washington
- Cornish-Windsor Covered Bridge, Cornish (designated by Vermont)
- Newark Airport, Newark
- Hydraulic-Inclined Plane System of the Morris Canal, Stanhope
- Great Falls Raceway and Power System, Paterson
- Atlantic City Convention Hall, Atlantic City
- Cranetown Triangulation Site, Cedar Grove
- Bayonne Bridge, Bayonne
- Fink Through Truss Bridge, Hamden
- Elephant Butte Dam, Truth or Consequences
- El Camino Real, Santa Fe
- Embudo, New Mexico Stream Gauging Station, Embudo
- Cumbres and Toltec Scenic Railway, Chama
- Blenheim Bridge, North Blenheim
- Croton Water Supply System, New York City
- Hudson and Manhattan Railroad Tunnel, New York City
- Holland Tunnel , New York City
- First New York Subway , New York City
- United States Military Academy , West Point
- Ward House, Rye
- Statue Of Liberty , New York City
- Iron Building Of The U.S. Army Arsenal , Watervliet
- Whipple Truss Bridge, Schenectady
- Erie Canal , Albany
- Bridges of Keeseville, Keeseville
- George Washington Bridge , New York City
- Brooklyn Bridge , New York City
- Triborough Bridge Project , New York City
- Northern Pacific High Line Bridge No 64
- Cleveland Hopkins Airport, Cleveland
- Ohio Canal System, Akron
- Muskingum River Navigation System, Zanesville
- Miami Conservancy District, Dayton
- National Road, New Concord
- First Concrete Pavement , Bellefontaine
- Ingalls Building, Cincinnati
- John A. Roebling Bridge, Cincinnati
- Goodyear Airdock, Akron
- Point of Beginning, U.S. Public Lands, Liverpool
- Columbia-Wrightsville Bridge , Columbia
- Frankford Avenue Bridge , Philadelphia
- Delaware Aqueduct of the Delaware & Hudson Canal , Lackawaxen
- Dunlap's Creek Bridge , Brownsville
- Kinzua Railway Viaduct , Kane
- Philadelphia City Hall, Philadelphia
- Davis Island Lock and Dam, Pittsburgh
- Philadelphia Municipal Water Supply, Philadelphia
- Bethlehem Waterworks, Bethlehem
- Union Canal Tunnel , Lebanon
- Pennsylvania Turnpike
- Horseshoe Curve
- Allegheny Portage Railroad , Hollidaysburg
- Fritz Engineering Laboratory, Bethlehem
- City Plan of Philadelphia , Philadelphia
- Walnut Street Bridge , Harrisburg
- Tunkhannock Viaduct , Nicholson
- Starrucca Viaduct , Lanesboro
- Smithfield Street Bridge , Pittsburgh
- Rockville Stone Arch Bridge , Rockville
- Northampton Street Bridge , Easton
- Charleston - Hamburg Railroad, Charleston
- Missouri River Bridges, Chamberlain
- Belle Fourche Dam, Belle Fourche
- Morison's Memphis Bridge, Memphis
- Tennessee State Capitol, Nashville
- Montgomery Bell's Tunnel, Nashville
- Norris Dam, Knoxville
- Brooks AFB, Old Hangar 9, San Antonio
- San Antonio River Walk & Flood Control System, San Antonio
- Galveston Seawall and Grade Raising, Galveston
- Acequias of San Antonio, San Antonio
- El Camino Real (The Royal Road) Eastern Branch, San Antonio
- Denison Dam, Denison
- Texas Commerce Bank (formerly Gulf, now Chase) Building, Houston
- San Jacinto Monument, Houston
- International Boundary Marker #1, El Paso
- Houston Ship Channel, Houston
- Mormon Tabernacle, Salt Lake City
- Joining of the Rails - Transcontinental Railroad, Promontory
- Cornish - Windsor Covered Bridge, Windsor
- Ascutney Mill Dam, Windsor
- Fink Deck Truss Bridge, Lynchburg
- Potowmack Canal and Locks, Great Falls
- Crozet's Blue Ridge Tunnel, Waynesboro
- Dismal Swamp Canal, Chesapeake
- Old Cape Henry Lighthouse, Virginia Beach
- Gosport Naval Dry Docks, Norfolk
- Marshall Building, Milwaukee
- Vulcan Street Plant, Appleton
- Milwaukee Metropolitan Sewage Treatment Plant, Milwaukee
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