Rules for Road Tripping : Invisibilia Season 3 has ended but we're hard at work on Season 4! Bonus Invisibilia Rules for Road Tripping Rules for Road Tripping Listen · 4:08 4:08 Enlarge this image toggle caption Marina Muun for NPR Marina Muun for NPR Season 3 has ended but we're hard at work on Season 4! Sponsor Message Sponsor Message