The Mystery Shack is a fictional tourist trap featured in the animated television series Gravity Falls. It is located in the fictional town of Gravity Falls, Oregon, and is known for its bizarre attractions and oddities. The Shack is run by Stan Pines, who capitalizes on the strange phenomena and supernatural occurrences in the area to draw in visitors. Inside the Mystery Shack, guests can explore various exhibits, including a giant statue of a gnome and a room where gravity seems to defy the laws of physics. The Shack also serves as a central hub for the adventures of the main characters, Dipper and Mabel Pines, as they uncover the mysteries surrounding their summer in Gravity Falls.