Zabrze's Botanical Garden is a small but worthwhile green pause in a city better known for mines, industry, and football. The garden has mature trees, seasonal flower beds, ponds, and greenhouse collections, giving visitors a softer counterpoint to the industrial heritage sights nearby.
It is not a destination to cross Poland for, but it earns its place on a Zabrze itinerary if you are already spending the day between Guido Mine, Queen Luisa Adit, and the city centre. Treat it as an easy hour outdoors rather than a major botanical collection.