How about a photography book filled with breathtaking nature photographs? You could also get her/him an annual pass to a local nature park or reserve so she/he can go out and capture her/his own nature shots. You could even organize a photography workshop or class with a professional nature photographer as a gift!
Or you can get her/him a star map with an important date you share.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.