View Exhibit map

Allegheny Furnace (Blair County, Pennsylvania)
Bay Furnace (Alger County, Michigan)
Bear Springs Iron Furnace (Stewart County, Tennessee)
Beckley Furnace (Litchfield County, Connecticut)
Beekman Furnace (Dutchess County, New York)
Ruins of Clove Valley Iron Works Furnace #2
Belger-Cahill Lime Kiln (Hays County, Texas)
Besaw Iron Furnace (Grafton County, New Hampshire)
New Hampshire's last standing blast furnace
Bird Kiln (Dallas County, Arkansas)
Birdsall Lime Kiln (Winneshiek County, Iowa)
Bromide Charcoal Kilns (Moffat County, Colorado)
Buchanan Furnace (Clarion County, Pennsylvania)
Buffalo Grove Lime Kiln (Ogle County, Illinois)
Callie Furnace (Botetourt County, Virginia)
Canyon Creek Charcoal Kilns (Beaverhead County, Montana)
Center Furnace (Trigg County, Kentucky)
Charcoal Kilns (Lemhi County, Idaho)
Charcoal Kilns (Utah County, Utah)
Clifton Furnace (Alleghany County, Virginia)
Clove Furnace (Orange County, New York)
Anthracite-fueled blast furnace now restored as a museum
Codorus Furnace (York County, Pennsylvania)
Oldest remaining landmark of the iron industry in York County
Copake Iron Works Furnace (Columbia County, New York)
Charcoal blast furnace near Taconic State Park; recently stabilized.
Coplay Cement Company Kilns (Lehigh County, Pennsylvania)
Cornwall Furnace (Cherokee County, Alabama)
Supplied iron products to the Confederate States of America during the United States' Civil War.
Cornwall Iron Furnace (Lebanon County, Pennsylvania)
Cottage Iron Furnace (Estill County, Kentucky)
Culbertson Kiln (Dallas County, Arkansas)
Delphi Lime Kilns (Carroll County, Indiana)
Denver and Rio Grande Lime Kiln (Emery County, Utah)
Eliza Furnace (Unspecified county, Pennsylvania)
Eliza Furnace (Indiana County, Pennsylvania)
Eliza Furnace (Cambria County, Pennsylvania)
Endor Iron Furnace (Lee County, North Carolina)
Farrandsville Iron Furnace (Clinton County, Pennsylvania)
Forestdale Iron Furnace (Rutland County, Vermont)
Frisco Charcoal Kilns (Beaver County, Utah)
Furnace Grove Historic District (Bennington County, Vermont)
G. A. Carlson Lime Kiln (Goodhue County, Minnesota)
Garwin Mace Lime Kilns (Waukesha County, Wisconsin)
George Cresswell Furnace (Washington County, Missouri)
Godey Lime Kilns (Washington, District of Columbia)
Great Western Furnace (Stewart County, Tennessee)
Greenwood Furnace (Huntingdon County, Pennsylvania)
Grey Cloud Lime Kiln (Washington County, Minnesota)
Griggsville Landing Lime Kiln (Pike County, Illinois)
Hadfield Company Lime Kilns (Waukesha County, Wisconsin)
Helen Furnace (Clarion County, Pennsylvania)
Cold blast furnace north of Clarion, PA
Henry Clay Furnace (Monongalia County, West Virginia)
Hope Furnace (Vinton County, Ohio)
Hopewell Furnace National Historic Site (Berks County, Pennsylvania)
Hopewell Furnace site (Mahoning County, Ohio)
Hurricane Furnace (Crittenden County, Kentucky)
Jens Larson Jenson Lime Kiln (Sevier County, Utah)
Joanna Furnace Complex (Berks County, Pennsylvania)
Kent Iron Furnace (Litchfield County, Connecticut)
Lackawanna Iron and Coal Company Furnace (Lackawanna County, Pennsylvania)
The Lackawanna Iron and Coal Company's four blast furnace stacks
Laurel Hill Furnace (Westmoreland County, Pennsylvania)
Lime Kilns (Utah County, Utah)
Lime Kilns (Providence County, Rhode Island)
Lime Rock Furnace #2 (Litchfield County, Connecticut)
Stabilized blast furnace built by the Barnum-Richardson Co.in Lime Rock
Lock Ridge Furnance Complex (Lehigh County, Pennsylvania)
Partially restored ruins of the Lock Ridge furnaces, now a park and museum.
Lonaconing Furnace (Allegany County, Maryland)
Madison-Derr Iron Furnace (Lincoln County, North Carolina)
Mary Ann Furnace (Clarion County, Pennsylvania)
Cold blast furnace east of Shippenville, PA
Moratock Iron Furnace (Stokes County, North Carolina)
Moselle Iron Furnace Stack (Franklin County, Missouri)
Mount Riga Furnace (Litchfield County, Connecticut)
Mount Savage Iron Furnace (Carter County, Kentucky)
Mount Vernon Furnace (Fayette County, Pennsylvania)
Mt. Torry Furnace (Augusta County, Virginia)
Olema Lime Kilns (Marin County, California)
Olive Furnace (Lawrence County, Ohio)
Oregon Iron Company Furnace (Clackamas County, Oregon)
Oxford Furnace (Warren County, New Jersey)
This charcoal-fired iron furnace was the first to use "hot blast" in America; 1835.
Ozark Iron Furnace Stack (Phelps County, Missouri)
Two stone structures that were part of an iron smelting operation
Peter Tarr Furnace Site (Hancock County, West Virginia)
Piedmont Charcoal Kilns (Uinta County, Wyoming)
Powell-Trollinger Lime Kilns (Catawba County, North Carolina)
Raccoon Furnace (Greenup County, Kentucky)
Ruins of a 35-foot high iron furnace
Red River Iron Furnace (Estill County, Kentucky)
Reinhardt-Craig House, Kiln and Pottery Shop (Lincoln County, North Carolina)
Historic country home and furnace in Lincoln County, NC
Richmond Furnace Historical and Archeological District (Berkshire County, Massachusetts)
One of the many blast furnaces of the tri-state Salisbury Iron District. , in Richmond
Riddlesburg Coke Ovens (Bedford County, Pennsylvania)
48 brick, beehive coke ovens were built in 1912 to aid in iron-making at the Keystone Foundry and Greenwood Furnace.
Roaring Run Furnace (Botetourt County, Virginia)
Rockland Furnace (Venango County, Pennsylvania)
Rose Lime Kiln (Hinsdale County, Colorado)
Ross Furnace (Westmoreland County, Pennsylvania)
Iron Furnace located on the 3rd hole of golf course
Roxbury Furnace (Litchfield County, Connecticut)
Scotia Iron Furnace Stack (Crawford County, Missouri)
Sharon Valley Lime Kiln (Litchfield County, Connecticut)
Sharparoon Furnace (Dutchess County, New York)
The last furnace to be constructed in the Salisbury Iron District.
Southfield Furnace (Orange County, New York)
Sterling Furnace #2 (Orange County, New York)
Restored blast furnace of the Sterling Ironworks
Swatara Furnace (Schuylkill County, Pennsylvania)
Historic iron furnace and related buildings in Pine Grove.
Tahawus (Essex County, New York)
Ghost town and related MacIntyre mine and blast furnace
Tybo Charcoal Kilns (Nye County, Nevada)
Vesuvius Furnace (Lawrence County, Ohio)
Walker Charcoal Kiln (Yavapai County, Arizona)
Washington Iron Furnace (Franklin County, Virginia)
Wassaic Charcoal Pits (Dutchess County, New York)
Stone structures used to make charcoal for iron production
William Johnston Lime Kiln (Waukesha County, Wisconsin)
Wommack Kiln (Dallas County, Arkansas)
Woolrey-Koehler Hop Kiln (Pierce County, Washington)