"Shake It Up" was a Disney Channel television show, and the stage they used for their performances was a set built specifically for the show. It was a fictional stage designed for the show's storylines and never existed as a real-life location.
However, there are places where you can see "Shake It Up" props and costumes:
* The Walt Disney Archives: This archive holds many pieces of Disney history, including costumes and props from various shows. It's possible they have some "Shake It Up" items.
* Disney theme parks: Occasionally, theme parks might host events featuring props or costumes from past Disney shows, including "Shake It Up."
While you can't visit the show's stage, you can still enjoy the show itself and imagine yourself dancing on that fictional set.