How about a vintage map of popular potholing destinations or a book on the history of potholing complete with stunning photos? A personalized potholing gear bag or a set of high-quality potholing ropes and carabiners could be a great option too. Alternatively, you could consider gifting them an experience day trip in a popular potholing destination or arranging a guided tour of some of the best potholes in their area.
Or you can get her/him a star map with the date of the wedding.
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.