Cirque du Soleil continues to anchor Las Vegas entertainment with two of its most ambitious productions. "O" transforms the stage into a 1.5-million-gallon aquatic wonderland at the O Theater, where performers seamlessly transition between underwater ballet and gravity-defying acrobatics in a dreamlike spectacle. Meanwhile, KÀ at the KÀ Theatre pushes theatrical boundaries with its massive, ever-shifting stage that hosts martial arts sequences and pyrotechnic displays as part of an epic narrative journey. For those seeking something more intimate, folk legend Judy Collins brings her "Sweet Judy Blue Eyes" Farewell Tour to Myron's Cabaret Jazz on October 14-15, offering fans a final chance to hear her crystalline soprano voice perform classics like "Both Sides Now" in a setting where every seat feels personal.