Great idea for traveling or road trips. Get a big map of the US, and take a picture when you visit a new state. Cut the picture out in the shape of the state, and glue to the map! I'm definitely doing this!
"When I feel like my marriage is struggling or going through a rough phase, I know that one of the best ways to make my marriage better is to spend time praying for my husband and praying for our marriage." 15 Bible Verses to Pray for Your Marriage
Or redo any photo. Romantic idea for a or wedding anniversary.Have the happy couple redo their "ring photo" next to their original one. I think it's a powerful representation of their true love and time together.