Cast iron

View Exhibit map

A.K. Wilson Building (Polk County, Oregon)
Aberdeen Downtown Historic District (Monroe County, Mississippi)
Abraham Lincoln Statue and Park (Fayette County, Iowa)
A unique statue of Abraham Lincoln is the centerpiece of a town park
Abram C. Fisk House (Branch County, Michigan)
Acushnet Heights Historic District (Bristol County, Massachusetts)
Alabama Insane Hospital (Tuscaloosa County, Alabama)
Alabama's oldest and largest inpatient psychiatric facility.
Alexandria National Cemetery (Alexandria, Virginia)
Amon Clarence Thomas House (Posey County, Indiana)
Anclote Key Lighthouse (Pinellas County, Florida)
Attica Downtown Historic District (Fountain County, Indiana)
Baltimore and Ohio Railroad Martinsburg Shops (Berkeley County, West Virginia)
Banks--Waudby Building (Russell County, Kansas)
Bardwell's Ferry Bridge (Franklin County, Massachusetts)
Through truss bridge over Deerfield River on Bardwell's Ferry Road in Conway
Barlow House (Ballard County, Kentucky)
Barton Heights Cemeteries (Richmond, Virginia)
Bay Parkway Station (Dual System BRT) (Kings County, New York)
Beech Fork Bridge, Mackville Road (Washington County, Kentucky)
Beech Grove Cemetery (Delaware County, Indiana)
Bellevue Range Rear Light Station (New Castle County, Delaware)
Belmont Arches (Sedgwick County, Kansas)
Belmont Hotel (Allegany County, New York)
Bertram Bridge (Linn County, Iowa)
Twin span 5 panel Pratt through truss bridge over Big Creek on Ely Street in Bertram
Bethel Baptist Church (Chesterfield County, Virginia)
Billado Block (Franklin County, Vermont)
Bonaventure Cemetery (Chatham County, Georgia)
Border City Mill No. 2 (Bristol County, Massachusetts)
Boyce Building (Cook County, Illinois)
Brandywine Shoal Light Station (Cape May County, New Jersey)
Breneman-Turner Mill (Rockingham County, Virginia)
Brewster Building (Sacramento County, California)
Briggs State Bank (Burnet County, Texas)
Buchanan Street Historic District (Fulton County, Kentucky)
Building at 254-260 Canal Street (New York County, New York)
Building at 900 West Lake Street (Cook County, Illinois)
Butternut Hill (Vigo County, Indiana)
Cadiz Downtown Historic District (Trigg County, Kentucky)
Cambridge City Historic District (Wayne County, Indiana)
Campbell Avenue Historic District (Greene County, Missouri)
Cannon Falls Commercial Historic District (Goodhue County, Minnesota)
Cape Girardeau Commercial Historic District (Cape Girardeau County, Missouri)
Cape Henry (Second Tower) Light Station (Virginia Beach, Virginia)
Cape Meares Lighthouse (Tillamook County, Oregon)
Carreau Block (Hampden County, Massachusetts)
Cedar Island Lighthouse (Suffolk County, New York)
Chain Lakes Bridge (Linn County, Iowa)
Charlevoiz South Pierhead Light (Charlevoix County, Michigan)
Cheney Odd Fellows Hall (Spokane County, Washington)
Chinqua-Penn Plantation (Rockingham County, North Carolina)
Christ Evangelical and Reformed Church (Seneca County, New York)
City Cemetery (Wake County, North Carolina)
Clinton F. Hesler Farm (Fountain County, Indiana)
Colfax Passenger Depot (Placer County, California)
Connecticut Avenue Bridge (Washington, District of Columbia)
Concrete arch bridge over Rock Creek on Connecticut Avenue
Cornelius Hennessy Building (Jackson County, Illinois)
Courthouse Square Historic District (Monroe County, Indiana)
Crossover Island Light Station (St. Lawrence County, New York)
Cuero Commercial Historic District (DeWitt County, Texas)
Cundill Block (Jackson County, Iowa)
Cunningham Bridge (Madison County, Iowa)
Curtis Hardware Store (Delta County, Colorado)
Custom House District (Suffolk County, Massachusetts)
Davis Block (Multnomah County, Oregon)
Davis, Dalton Holmes, Memorial Library (Cumberland County, Maine)
Decatur Cemetery (DeKalb County, Georgia)
Decatur O. Davis House (Richmond, Virginia)
Dow, Lenoir, House (Middlesex County, Massachusetts)
Downtown Booneville Historic District (Prentiss County, Mississippi)
Downtown Corinth Historic District (Alcorn County, Mississippi)
Downtown Fulton Historic District (Callaway County, Missouri)
Downtown Hartford Historic District (Ohio County, Kentucky)
Downtown Lowell Historic District (Kent County, Michigan)
Downtown Washington Historic District (Franklin County, Missouri)
Dr. Albert Johnson House (Alexandria, Virginia)
Dr. Sylvester Willard Mansion (Cayuga County, New York)
Former residence now serving as a museum
Duluth Commercial Historic District (St. Louis County, Minnesota)
Dykeman's Spring (Cumberland County, Pennsylvania)
E.C. Peery Building (Linn County, Oregon)
E.S. Levy Building (Galveston County, Texas)
East Charity Shoal Light (Jefferson County, New York)
East Main Street Historic District (Middlesex County, Massachusetts)
East Second Street Commercial Historic District (Winona County, Minnesota)
A historically and architecturally significant commerical area
Easton Cemetery (Northampton County, Pennsylvania)
Edinburgh Commercial Historic District (Johnson County, Indiana)
El Pomar Estate (El Paso County, Colorado)
Elkton Commercial Historic District (Todd County, Kentucky)
Elnora Daugherty Farm (Bartholomew County, Indiana)
Episcopal Church of the Nativity (Madison County, Alabama)
Eveland Bridge (Mahaska County, Iowa)
Faison Cemetery (Duplin County, North Carolina)
Falkner's Island Lighthouse (New Haven County, Connecticut)
Farmland Downtown Historic District (Randolph County, Indiana)
First Congregational Church (Eaton County, Michigan)
Fish Creek Bridge (Henry County, Iowa)
Fisher Building--Latham Block (Sangamon County, Illinois)
Forest Hills Cemetery (Suffolk County, Massachusetts)
Forestvale Cemetery (Lewis and Clark County, Montana)
Former US Post Office Building (Jefferson County, Iowa)
Fort Payne Boom Town Historic District (De Kalb County, Alabama)
Fourteen Foot Shoal Light Station (Cheboygan County, Michigan)
Fox, Warren, Building (Middlesex County, Massachusetts)
Frankfort North Breakwater Light (Benzie County, Michigan)
Frazier Bridge (Essex County, New York)
Frederick and Augusta Hagemann Farm (Posey County, Indiana)
Fremont Mill Bridge (Jones County, Iowa)
Frenchtown Historic District (St. Charles County, Missouri)
Fulton--Nassau Historic District (New York County, New York)
G.C. Moses Block (Douglas County, Nebraska)
Garden City Drug (Missoula County, Montana)
Gay Street Historic District (Baltimore, Maryland)
General Motors Research Laboratory (Wayne County, Michigan)
George Bixler Farm (Montgomery County, Ohio)
George Knipp & Brother Building (Baltimore, Maryland)
George Zeisler Building (La Crosse County, Wisconsin)
Gilligan and Stevens Block (Essex County, New York)
Goodspeed Memorial Library (Franklin County, Maine)
Gov. H. Guy Kump House (Randolph County, West Virginia)
Grants Pass G Street Historic District (Josephine County, Oregon)
Grantville Historic District (Coweta County, Georgia)
Granville Village Historic District (Hampden County, Massachusetts)
Great Captain Island Lighthouse (Fairfield County, Connecticut)
Green Island Light (Ottawa County, Ohio)
Greens Ledge Lighthouse (Fairfield County, Connecticut)
Greensburg Carnegie Public Library (Decatur County, Indiana)
Greensburg Downtown Historic District (Decatur County, Indiana)
Greenville Commercial Historic District (Washington County, Mississippi)
Gunston Hall (Buncombe County, North Carolina)
Hale Bridge (Jones County, Iowa)
Bowstring pony truss bridge over Wapsipinicon River, Relocated from 100th Avenue in Hale Township to a site near Anamosa in 2006.
Halwyck (Radford, Virginia)
Hamilton--Brown Shoe Factory (St. Louis, Missouri)
Harder Hall (Highlands County, Florida)
Harris Drug Store (Tom Green County, Texas)
Harvey Railroad Bridge (Marion County, Iowa)
Four-span wrought-iron through truss bridge over the old channel of the Des Moines River on Harvey Island Road
Haverhill Board of Trade Building (Essex County, Massachusetts)
Heck--Hasler House (Johnson County, Indiana)
Late Victorian Italianate House
Henderson Commercial Historic District (Sibley County, Minnesota)
Hendricks County Bridge Number 316 (Hendricks County, Indiana)
Through truss bridge over White Lick Creek relocated to a park in Plainfield
Henry Store Foeste Building (Sheboygan County, Wisconsin)
Herschell--Spillman Carousel (Pulaski County, Arkansas)
Hildreth--Lord--Hawley Farm (Monroe County, New York)
Historic dairy farm still providing quality dairy products
Homestead Farm at Oak Ridge (Unspecified county, New Jersey)
Honan's Block and 112--114 Main Street (Providence County, Rhode Island)
Hopeful Lode (Lincoln County, New Mexico)
Howe Building (Middlesex County, Massachusetts)
Hub Building (Garfield County, Nebraska)
Huey P. Long House (Caddo Parish, Louisiana)
Hutchinson-Suddath Building (Duval County, Florida)
Hyde Park Firehouse (Dutchess County, New York)
Indian Creek Bridge (Linn County, Iowa)
Lost through truss bridge over Indian Creek on Artesian Road
Island Place Historic District (Providence County, Rhode Island)
J. S. Schroeder Building (Marion County, Kansas)
J.T.S. Brown and Son's Complex (Jefferson County, Kentucky)
James A. Beattie House (Lancaster County, Nebraska)
John C. and Barbara Steinman House (Green County, Wisconsin)
John C. Rulon House (Gloucester County, New Jersey)
John M. Fleming Home Place (Shelby County, Tennessee)
Johnston Building (Baltimore, Maryland)
Joralemon Street Tunnel (New York County, New York)
Joseph Jackson Hotel (Jackson County, Indiana)
Juliette Gordon Low Historic District (Chatham County, Georgia)
Kellum-Jessup-Chandler Farm (Hendricks County, Indiana)
Kenmil Place (McCracken County, Kentucky)
Kenosha North Pierhead Light (Kenosha County, Wisconsin)
Kilauea Point Light Station (Kauai County, Hawaii)
Knox Building (East Baton Rouge Parish, Louisiana)
Kress Building (Boone County, Missouri)
L. Frank & Son Building (Baltimore, Maryland)
L. Haas Store (White County, Illinois)
Lafcadio Hearn House (Orleans Parish, Louisiana)
Lake Ditch Bridge (Morgan County, Indiana)
Lake Orion Historic District (Oakland County, Michigan)
Lancaster Block (Lancaster County, Nebraska)
Lansing Shoals Light Station (Mackinac County, Michigan)
Laramie Downtown Historic District (Albany County, Wyoming)
Lawrence County Bank Building (Lawrence County, Missouri)
Leive, Parks and Stapp Opera House (Dearborn County, Indiana)
LeRoy Commercial Historic District (McLean County, Illinois)
Lincoln Park (Cumberland County, Maine)
Little Cumberland Island Lighthouse (Camden County, Georgia)
Lloyd Harbor Lighthouse (Suffolk County, New York)