The family stops to eat at a diner and marvels at everything on the menu before Ben makes them all leave.
Source: Viggo Works Forum
Cooper & Truman spot Donna entering the Roadhouse and they follow her when she leaves in pilot episode "Northwest Passage".
Source: In Twin Peaks
Laura walks up to the Roadhouse and gets approached by the Log Lady.
From episode 1x02 "Part 2".