- Minnesota's Historic Bridges
With pictures and information on the state's masonry arch, truss, and reinforced concrete arch bridges.
www.mnhs.org/places/nationalregister/bridges/bridges.html
- Minnesota's Roadside Architecture
Project documenting Minnesota's roadside attractions, with photos and clues for travelers looking to explore the state's larger-than-life wonders. From the Minnesota Historical Society.
www.mnhs.org/places/other/roadside
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