The Freshwater Fish Exhibition Building of the Sakon Nakhon Freshwater Fisheries Research and Development Center stands out prominently on the edge of Nong Han Lake. The distinctive brick-orange building reflects beautifully on the water's surface, surrounded by lush trees. Inside, it serves as an educational resource showcasing various freshwater fish species, allowing the public and tourists to study the biodiversity of aquatic life in the Mekong River and Nong Han Lake basins.