PBS
Pbs Online News Hour: Flood Blamed on Levee Breaches
This August, 2005, report discusses problems with the levees that protect New Orleans and why they failed causing 80 percent of New Orleans to flood. RealAudio of this report is also available.
Kidport
Kidport Reference Library: Transportation During the Civil War
Here are photographs and short descriptions of the horses, wagons, bridges, railroads, and steamboats used for transportation in the Civil War.