The sprawling Boardwalk casino, with its soaring domes, minarets and towers built to mimic the famed Indian palace, shut down at 5:59 a.m., having failed to reach a deal with its union workers to restore health care and pension benefits that were taken away from them in bankruptcy court. Donald Trump opened the Trump Taj Mahal casino 26 years ago, calling it 'the eighth wonder of the world.'īut his friend and fellow billionaire Carl Icahn closed it Monday morning, making it the fifth casualty of Atlantic City's casino crisis.