The Coast Guard says it has saved more people since Hurricane Katrina struck than it has in the last 50 years. CNN's Karl Penhaul reports on some of the daring rescues. (3:10)
Water overwhelmed sections of the Lake Pontchartrain Causeway, the longest bridge in the world, and caused damage to several sections of the bridge. Before Katrina, more than 30,000 cars crossed Lake Pontchartrain each weekday via the causeway.
SLIDELL, LOUISIANA
A town's recovery
After devastating flooding of his community, Slidell Mayor Ben Morris is looking forward to his town's recovery from "a very bad bump in the road."