Other amenities include a 27,000-square-foot spa and salon, 18,000 square feet of retailers and 50,000 square feet of meeting space. The resort includes 125,000 square feet of casino space, with poker and other table games and more than 3,000 slot machines. The million square-foot resort’s 23-story hotel has about 300 rooms and suites. MGM says it’s one of the world’s largest chocolate fountains. There also is a pastry shop, called Bellagio Patisserie, that has a 26-foot tall chocolate fountain circulating two tons of melted chocolate. Those celebrity chefs include Jose Andres, Marcus Samuelsson and Bryan and Michael Voltaggio. “Under one roof, guests will enjoy a sophisticated hotel experience, high-energy casino, celebrity-chef restaurants, world-class entertainment, night life, destination spa, upscale retail and curated art, complemented by incredible panoramas of D.C., Maryland and Virginia,” said Bill Boasberg, the resort’s general manager. Sneak peek: Inside an MGM National Harbor suite (Photos).Bob Dylan making a sculpture for MGM National Harbor casino.National Harbor rolls out road improvements to accommodate new casino.Business & Finance Click to expand menu.