The Superdome in New Orleans, Louisiana is expected to be announced as the location for Wrestlemania 30 next year according to a report by Dave Meltzer.  This would be the first pro wrestling event held at the venue since WCW Nitro back on 6/21/99.  WWE is expected to officially announce the show at some point in February with the Elimination Chamber PPV taking place in the city on 2/17.

Source: The Wrestling Observer Newsletter