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University of Bristol: Tacoma Narrows Bridge Disaster
The Tacoma Narrows Bridge disaster was caused by wind vibrations. Wind in a valley spanned by the Tacoma Narrows Bridge causes the bridge to vibrate so much it collapsed. Shows pictures of the bridge as it is collapsing.
Curated OER
Wikipedia: Natl Historic Landmarks in Al: Montgomery Union Station and Trainshed
Constructed in 1898, this is an example of late 19th-century commercial architecture. It served as the focal point of transportation into Montgomery. The train shed is significant in that it shows the adaptation of bridge-building...