Features
Cross-border factory trails for Buffalo and Ontario plants
Industrial heritage sites pair Buffalo grain elevators with Ontario auto and milling plants, plus border crossing rules, currency costs and combined itineraries.
Topic
industrial heritage sites
Guides
How the National Register lists American industrial sites
Historic factories appear in National Park Service National Register records and weekly NRHP listings by county, the tools for finding mills and grain elevators.
Features
Pittsburgh vs Birmingham steel heritage trails compared
Industrial heritage sites in Pittsburgh and Birmingham differ on price, access and what you can touch, from Carrie Blast Furnaces to Sloss Furnaces.