S1e18 Gompers

The Mystery Shack is a shack owned by Stan Pines in the show Gravity Falls. First seen in episode 1 "Tourist Trapped", the Mystery Shack is tourist trapper located at 618, Gopher Road, Gravity Falls Oregon according to episode "Dreamscraperes". It is home to the main characters Dipper and Mabel and is also where Wendy and Soos work.