Wakkanai Youth Science Center is a small science museum with a retro feel, a planetarium, and exhibits on Japanese exploration of Sakhalin and Arctic regions. Its strongest material is the northern exploration section, including displays tied to Taro and Jiro, the famous Antarctic sled dogs.
It is a modest but useful indoor stop for families or travelers interested in Wakkanai's far-north identity. Check show times if you want the planetarium.