More to explore:
Zephyr along the Bookcliffs by Moffat Road, via Flickr
Train with the Tacoma Narrows Bridges, Tacoma, Washington | Flickr - Photo Sharing!
Fisher Railroad Bridge, Vermont
Old Passumpsic River Railroad Bridge Abandoned Warren through truss bridge over the Passumpsic River on the former Maine Central Railroad in St. Johnsbury, Vermont.
Mississippi River Map, 1826