U.S. Naval Air Station, Assembly & Repair Shop, East Avenue, Pensacola...
Significance: Constructed in 1937 as the Assembly & Repair Shop, Building No. 604 played a major support role for defense preparedness prior to and during World War II, as well as for the ongoing aircraft maint... More
Ford Motor Company Long Beach Assembly Plant, Assembly Building, 700 H...
Significance: Ford Motor Company built the Long Beach Assembly Plant during 1929-1930 as one of six contemporaneous assembly plants constructed in the United States. The overall purpose of these plants was to ... More
Ford Motor Company Long Beach Assembly Plant, Assembly Building, 700 H...
Significance: Ford Motor Company built the Long Beach Assembly Plant during 1929-1930 as one of six contemporaneous assembly plants constructed in the United States. The overall purpose of these plants was to ... More
Stan Hywet Hall, 714 North Portage Path, Akron, Summit County, OH
Significance: Stan Hywet Hall is one of the most outstanding examples of Tudor Revival architecture in the United States. As a house museum, it is notable for its high degree of architectural integrity and for ... More
Stan Hywet Hall, 714 North Portage Path, Akron, Summit County, OH
Significance: Stan Hywet Hall is one of the most outstanding examples of Tudor Revival architecture in the United States. As a house museum, it is notable for its high degree of architectural integrity and for ... More
Stan Hywet Hall, 714 North Portage Path, Akron, Summit County, OH
Significance: Stan Hywet Hall is one of the most outstanding examples of Tudor Revival architecture in the United States. As a house museum, it is notable for its high degree of architectural integrity and for ... More
U.S. Route 27 Central Bridge, Spanning Ohio River, Newport, Campbell C...
Significance: The Central Bridge, built in 1890-91, is the earliest extant highway cantilever truss bridge in Kentucky. It was built by the King Iron and Bridge Manufacturing Company, and is one of the longest... More
Lozano Cigar Factory, 1410 North Twenty-first Street, Tampa, Hillsboro...
These drawings were donated to the H/H collection by the University of Florida's College of Architecture; the drawings were produced by architecture students at the University of Florida who chose to participat... More
Columbus Iron Works, Front Avenue between Eighth & Tenth Streets, Colu...
Significance: For over a century (1853-1965) the Columbus Iron works supplied the city and surrounding area with a wide assortment of cast iron goods, agricultural implements, industrial and building supplies, ... More
Walnut Street Bridge, Spanning Susquehanna River at Walnut Street (Sta...
Significance: The bridge is a representative example of a late 19th century factory-manufactured roadway bridge. The bridge consists of 15 pin-connected wrought-iron Baltimore-type through-truss spans manufactu... More
Walnut Street Bridge, Spanning Susquehanna River at Walnut Street (Sta...
Significance: The bridge is a representative example of a late 19th century factory-manufactured roadway bridge. The bridge consists of 15 pin-connected wrought-iron Baltimore-type through-truss spans manufactu... More
Watkins Mill, County Highway MM, Lawson, Ray County, MO
Significance: The Watkins (Woolen) Mill contains the finest collection of mid-19th century textile machinery in situ in North America and includes some of the most significant textile artifacts known to survive... More
Bibb Company (Columbus Plant), Thirty-eighth Street & First Avenue (Co...
Significance: The main building of this operating textile mill extends a remarkable 1010 feet east from a bluff overlooking the Chattahoochee River. Until 1954 an American system of rope drive, turned directly... More
Cannelton Cotton Mill, Front & Fourth Streets, Cannelton, Perry County...
Significance: The Cennelton (later Indiana) Cotton Mill is both a monumental example of industrial architecture and evidence of a major attempt to industrialize southern Indian. With its superb masonry constru... More
Sullivan Machinery Company, Main Street between Pearl & Water Streets,...
Significance: The complex of buildings was built between 1868-1927 by the Sullivan Machinery Company, manufacturers of mining and quarrying equipment. The firm had been founded in 1868 by J.P. Upham, Albert Bal... More
J. H. Wilkerson & Sons Brick Works, Front Street (Road 409), Milford, ...
Significance: J.H. Wilkerson and Son was one of the last local brick works to operate in Delaware. IN 1975, all the original machinery, as well as some later additions, were still in operational positions, pro... More
Water Power Development at Falls of Chattahoochee, Chattahoochee River...
Significance: As the Chattahoochee crosses the fall line at Columbus, Georgia, it falls 125 feet within 2 1/2 miles producing a potential energy of between 66,000 and 99,000 horsepower. That water power made C... More
Picatinny Arsenal, 800 Area, Complete Rounds-Melt Loading District, St...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Appomattox Iron Works, 20-28 Old Street, Petersburg, Petersburg, Virgi...
Significance: A unique complex of structures which document the transition from antebellum agricultural economy to industrial development in the South following the Civil War. It is also one of the most comple... More
Pittsburgh Steel Company, Monessen Works, Donner Avenue, Monessen, Wes...
Significance: One of several large steel making complexes in the Monongahela River Valley in southwestern Pennsylvania, the Pittsburgh Steel Company's Monessen Works grew from a rod and wire mill to a fully int... More
Hacienda Azucarera La Concepcion, Sugar Mill Ruins, .3 Mi. W. of Junct...
Significance: Hacienda La Concepcion was established on the old banks of the Culebrinas River by the family of Dona Eulalia Quinones. In 1868, her husband, Jose Nestor Cardona, installed the steam engine and m... More
Sears Roebuck & Company Mail Order Plant, Merchandise Building, 924 So...
Significance: One of the first buildings completed for the Mail Order Plant in 1905-1906. It was designed by the nationally-known architectural firm of Nimmons & Fellows, with additions designed by successor f... More
Columbia Basin Project, Grand Coulee Dam & Franklin D. Roosevelt Lake,...
The Columbia Basin Project is located in 5 counties: Ferry, Grant, Lincoln, Okanogan, and Stevens Significance: At the time of construction, Grand Coulee Dam was the most massive structure ever built: construct... More
Muscogee Manufacturing Company, Front Avenue & Fourteenth Street, Colu...
Significance: Each successive mill of the Muscogee complex has its own character and significance. All buildings erected at the site since 1868 remain standing, an unusual massing of industrial buildings which... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Picatinny Arsenal, 500 Area, Powder Factory & Power House, State Route...
Significance: Originally built as a depot for storage of powder and other armaments, during the 20th century Picatinny Arsenal became a leading facility for the research, development and production of munitions... More
Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI
Significance: The Fisher-Fallgatter Mill stands as one of the few surviving flour mills in Wisconsin. Less than a century ago, hundreds of flour and gristmills were scattered across the state as settlers found ... More
Fisher-Fallgatter Mill, Waupaca, Waupaca County, WI
Significance: The Fisher-Fallgatter Mill stands as one of the few surviving flour mills in Wisconsin. Less than a century ago, hundreds of flour and gristmills were scattered across the state as settlers found ... More
Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA
Significance: This example of a 19th-century woodworking mill includes operational equipment and evidence for four power systems. Circular and elliptical picture frames are manufactured here as they have been ... More
Schwamb Mill, 17 Mill Lane, Arlington, Middlesex County, MA
Significance: This example of a 19th-century woodworking mill includes operational equipment and evidence for four power systems. Circular and elliptical picture frames are manufactured here as they have been ... More
Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...
Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More
Pawtucket Canal, Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Mi...
Significance: The Swamp Locks complex consists of a flight of two navigation locks with a dam at the west end of the upper lock. The original locks opened in 1797, and were rebuilt in 1822-1823 when this confi... More
Ben Thresher's Mill, State Aid No. 1, Barnet, Caledonia County, VT
Significance: Alexander Jack built the mill as a Dye & Print Works in 1872. J. Loren Judkins established a Wagon Shop in 1893 and added the Blacksmith Shop c. 1895. The timber frame and plank dam is intact. ... More
Cape Canaveral Air Force Station, Launch Complex 39, Crawler Transport...
Significance: The Crawler Transporters (Crawlers) were listed in the National Register of Historic Places (NRHP) on January 21, 2000. Originally nominated in the context of the Apollo Program, ca. 1961 through ... More
National Orange Company Packing House, 3604 Commerce Street, Riverside...
Significance: Originally constructed in 1898, the National Orange Company Packing House is the oldest continuously operated packing house in Riverside. While other establishments have moved towards increased m... More
National Orange Company Packing House, 3604 Commerce Street, Riverside...
Significance: Originally constructed in 1898, the National Orange Company Packing House is the oldest continuously operated packing house in Riverside. While other establishments have moved towards increased m... More
Holyoke Bridge, Spanning Connecticut River, between Holyoke & South Ha...
Significance: The Holyoke Bridge is significant as one of Massachusetts' few known examples of the riveted lattice truss bridge, a type most commonly associated with railroad construction in the latter half of ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Continental Gin Company, Prattville, Autauga County, AL
Significance: The site was acquired by Daniel Pratt in 1838, and he soon established grist and lumber and shingle mills there. By 1844, he had opened a cotton gin plant, the products of which were in great dem... More
Shaker Church Family Dwelling House, State Route 4A, Enfield, Grafton ...
Significance: Unusually large and heavy masonry structure for this area. The largest of several remaining buildings of a defunct Shaker colony. Characteristically Shaker in its lack of decoration and austerit... More
North Platte River Bowstring Truss Bridge, Spanning North Platte River...
STORED OFF SITE AND ON SITE. mchr Significance: The North Platte River Bowstring Truss Bridge is the first of its kind to be built in the then territory of Wyoming. It is also believed to be the first military... More
Detroit Arsenal, 6501 East Eleven Mile Road, Warren, Macomb County, MI
Significance: Having been constructed by the Chrysler Corporation in 1940, Detroit Arsenal contains one of America's foremost World War II manufacturing plants. An important example of industrial design, by wa... More
White Sands Missile Range, Trinity Site, Vicinity of Routes 13 & 20, W...
Significance: The United States detonated the world's first atomic bomb at Trinity Site on July 16, 1945. The site contains a fenced-in area and marker at Ground Zero, the remnants of a number of test structur... More
White Sands Missile Range, Trinity Site, Vicinity of Routes 13 & 20, W...
Significance: The United States detonated the world's first atomic bomb at Trinity Site on July 16, 1945. The site contains a fenced-in area and marker at Ground Zero, the remnants of a number of test structur... More
Womack's Mill, Yanceyville, Caswell County, NC
Significance: Womack's Mill, constructed in 1909, is the only flour mill still standing in Caswell County. The mill dam was constructed in 1826 and is intact. The mill was designed for one run of stones and f... More
Manchester Cotton & Woolen Manufacturing Company, Southern Bank of Jam...
Significance: The Manchester Cotton and Woolen Manufacturing Company was among the first textile mills to operate in the Richmond area and represented one of the early efforts to diversify the predominately agr... More
Manchester Cotton & Woolen Manufacturing Company, Southern Bank of Jam...
Significance: The Manchester Cotton and Woolen Manufacturing Company was among the first textile mills to operate in the Richmond area and represented one of the early efforts to diversify the predominately agr... More
Dry Dock Engine Works, 1801 Atwater Street, Detroit, Wayne County, MI
Significance: The Dry Dock Engine Works is significance, first of all, because of its role in manufacturing and repairing marine steam engines and boilers for Great Lakes freighters and passenger vessels from 1... More
Constitution Hall, 315 Elmore Street, Lecompton, Douglas County, KS
1993 Charles E. Peterson Prize, First Place Significance: Constitution Hall was built in 1856, probably by Samuel Jones, sheriff of Douglas County and a notorious proslavery champion. It was a commercial ventur... More
Boott Cotton Mills, John Street at Merrimack River, Lowell, Middlesex ...
Significance: Boott Cotton Mills is one of the oldest surviving large-scale textile mill complexes in the United States. Built as an original, and integral, part of the City of Lowell, the Boott Cotton Mills h... More
Harvard Bridge, Spanning Charles River at Massachusetts Avenue, Boston...
Significance: The Harvard Bridge is located in the Charles River Basin Historic District. Survey number: HAER MA-53 Building/structure dates: 1887- 1891 Initial Construction Building/structure dates: 1898... More