But now stunning new images have emerged which show how one part of the Big Easy has yet to be revived - its Six Flags theme park.
The haunting photographs, taken over the last six years, reveal an almost post-apocalyptic landscape dominated by twisted and corroded rides, now silent forever.
Graffiti covers many of the buildings, welcoming visitors to 'Zombieland' - a fitting name for the eerie park, which has been completely abandoned.
A smashed-up clowns head lies abandoned on the floor, while most of the rides have been left for the weeds to colonise.
When the flooding hit, Six Flags, in a low-lying area towards the east of the city, was submerged in up to seven feet of water, which wasn't drained for almost a month.
The combination of sea and river water corroded most of the rides, damaging them beyond repair. According to a report at the time, 80 per cent of the buildings were completely destroyed. Read More