Denver Union Station is a one stop shop for all of your holiday cheer this year. The annual Grand Illumination event on Nov. 26 will feature performances of classic holiday hits by the Denver Dolls, a visit from Santa and Mrs. Claus, and the grand highlight of the evening — the lighting of the station’s outdoor 40-foot-tall Christmas tree that features more than 7,000 holiday lights. Also, the Grand Illumination kicks off the Merry & Bright Lights Show , which will once again transform the exterior façade of Denver’s landmark train station into a spectacular canvas spreading holiday cheer. Miracle at Union Station , a whimsical pop-up cocktail bar, will open on Nov. 25. Meanwhile, Santa and Mrs. Claus will be making regular appearances at the station from 11 a.m. to 4 p.m. on Nov. 28; and Dec. 5, 12 and 19.