I have boxes of travel souvenir/stuff that I have been meaning to make scrapbooks with for years! This seems like a way easier/low effort alternative that won't collect dust on a bookshelf. #marthastewart
Couples Travel Map - Collage photos of every state you've been to together and attach to the map in the shape of that state! Life goal: Fill it up with photos and memories! Maybe add ticket stubs, stamps, patches, small souveniers with the photos.