This is a casino, of course, and visitors will underwrite the extravagance on the gambling floor, in the restaurants, and at the bars.īut when the $2.6 billion complex opens June 23, it will become the largest around-the-clock public art exhibition in Massachusetts, with tens of millions of dollars’ worth of original sculptures, mosaics, paintings, furniture, fabrics, mirrors, and more on display. Cannon/Las Vegas Review-Journal/File 2018/Las Vegas Review-Journal The chandeliers, hand-blown from Italy and infused with gold dust, were moved from Encore Las Vegas. The main gaming floor of Encore Boston Harbor in Everett.