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The Illinois Iron Furnace is the only remaining iron furnace structure in the state of Illinois. Iron was manufactured at the Illinois Furnace by the charcoal blast method. The exterior of the furnace was manufactured of large limestone blocks quarried near the town of Cave-In-Rock.
Autumn view of the Great Serpent Mound, the largest serpent effigy in the world, extending about 1,370 feet (420 m). Originally though to have been constructed by prehistoric the Adena culture, scholars now think it was built by the Fort Ancient culture (1000-1650 CE), an Ohio Valley-based, mound-building society. The Fort Ancient culture was influenced by the contemporary Mississippian culture society based along the mid-Mississippi River valley and extending as far north as the Great Lakes area.
Aerial view of Fort Mulligan Civil War Fort Petersburg West Virginia
Fort Belvoir, Virginia, USA - October 1, 2024: Close-up view of a sign at a closed entrance to the Fort Belvoir military installation in Northern Virginia.
Early 19th Century Ironworks replaced earlier forges at the site. It was redeveloped by S. Vail, father of A.Vail, partner of S. Morse re: telegraph. Forge was where SS Savannah Ship steam engine was built.
Winding country road through lush forest
The landmark stone furnace at mine hill preserve in Roxbury Connecticut on a sunny day.
Beijing ancient city wall
Dahlonega, Georgia - 2/22/2010 - The pile of stones marks the grave for In legend, Trayhyta was an Cherokee Indian princess in the North Georgia mountains.
Rockport Lime Kilns at Sunrise, Rockport, Maine, USA
The architectural landscape of ancient Chinese fortifications in Beijing Botanical Garden
Fairfax Station, Virginia USA - November 18, 2023: Sign at the entrance to the NOVA Parks Headquarters building surrounded by colorful autumn leaves.
Rye, England - June 13, 2023: Ancient Plate says; 'On this site sept.5, 1782 nothing happened', Rye, UK
Image of Small road going under stone tunnel with stone steps to the top
Road signs in winter to major highways in New Jersey and beyond.
Lock 33 of the C&O Canal is located across from Harpers Ferry at the base of Maryland Heights, with its old lockhouse once housing the Salty Dog Tavern, the ruins of which are pictured here - Harpers Ferry National Historical Park
Abandoned factory building, Bethelhem, Pennsylvania, USA
Coronado Heights Castle, Saline County, Kansas, at the top of Coronado Heights which is a hill to the northwest of Lindsborg. Coronado Heights hill is the southernmost bluff of seven which make up the Smoky Hills. The castle was built in the 1930's as a tourist attraction and offers spectacular 360-degree views of the surrounding area.
Low angle view of a two lane blacktop road through the rural farmland featuring a single tenacious weed growing stubbornly along the berm edge, Pennsylvania, PA, USA.
The brick exterior of Castle Williams on Governors island national park in lower manhattan in New York City.
Historic Harper's Ferry National Park where the Potomac and Shenandoah Rivers meet in Maryland West Virginia and Virginia
US Highway 40 - Western PA - 1977. Scanned from Kodachrome 25 slide.
The scenic Blue Ridge Parkway in spring.
old abandoned limestone cement kiln on wallkill valley rail trail between kingston and rosendale, upstate new york (hudson valley history historic site) travel tourism, hiking, biking, trail path bike
Fairfax, Virginia, USA - November 30, 2023: A Virginia Department of Historic Resources metal sign in the City of Fairfax tells the history of “Mosby’s Midnight Raid”, a well-documented event from the American Civil War.
Woods surrounding stone pyramid of Henry Clay Furnace in Coopers Rock State Forest, West Virginia.
Entrance of a public park in the middle of the forest at sunrise in summer.
Allegheny Portage Railroad National Historic Site
Exploring Ephrata in smog from Canadian fires: small community showcasing its streets and hills with Historic Ephrata Cloisture, PA.
Free Images: "bestof:Route 15, Frederick 081695pv.jpg SAID TO HAVE BEEN USED AS A FORT AT ONE TIME PART OF COTOCTIN IRON FURNACES - SAID TO HAVE BELONGED TO FATHER OF GOVERNOR"
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