What Makes a Photo Frame a Meaningful Anniversary Gift?

Anniversary gifts feel more special when they connect with memories rather than being purely decorative. A favorite wedding picture, first-trip photo, or candid couple moment can bring back an entire chapter of a relationship.
I recently came across these anniversary memory frames and liked the idea of turning a meaningful photograph into something that can be displayed every day.
What type of photo would you choose for an anniversary frame—a wedding picture, travel memory, or a simple candid moment?