Saugus Iron Works National Historic Site Located in Saugus, MA TRAVEL BASICS - CAMPING - LODGING ACTIVITIES - FACILITIES - FEES/PERMITS Forge and Slitting Mill in the fall (NPS Photo) IN BRIEF This is the site of the first integrated ironworks in North America, 1646-1668. It includes the reconstructed blast furnace, forge, rolling mill, and a restored seventeenth century house. With the ...