Las Vegas Mob Museum to Open in 2012 CheapOair Staff September 8, 2011 general Mob Museum Building in Downtown Vegas “Do I amuse you?” We all love a good gangster movie like Joe Pesci in Goodfellas and now those sharing love for all things mob should definitely make a visit to the Mob Museum the next time you’ve booked a flight to Las Vegas. According to the Las Vegas Sun report, the museum will be getting a record-setting tax credit equity of $10.6 million to help build the Las Vegas museum through the next five years. Its total cost will be $42 million. The gangster paradise will be open next year, February 14th. It will be a tribute to organized crime and law enforcement as well as house interactive exhibits. It will be a three-floor museum as well as a home to a retail store and even office space. Mob-lovers that root for the bad guy might not like the fact that the museum is said to be about how law enforcement overcame organized crime and continues to do so.