Billionaire Steve Schwarzman is unlocking the ornate, wrought-iron gates to his Neoclassical mansion in Newport, Rhode Island. The Blackstone CEO, who currently ranks as the 30th richest man in the world with an estimated net worth of $43.9 billion, says he and his wife plan to open Miramar estate to the public following their deaths. “Christine and I intend to set Miramar up as a private museum at the time of our deaths for the benefit of the public in perpetuity,” he told Town & Country. “We are honored to have been able to do this for the community and contribute to Newport’s historic preservation.