Planetarium
al. Marszalka J. Pilsudskiego 38, tel. 533 49 51, hours: 9.30-17 Tue-Sun
Atronomical Observatory (Obserwatorium Astronomiczne)
ul. Zolnierska 13, tel. 527 67 03, hours: 9-13 Mon-Sat; closed on Sun
Museum of Warmia and Mazury (Muzeum Warmii i Mazur)
ul. Zamkowa 2, tel. 527 95 96, hours: in season 9-17 Tue-Sat; closed on Mon; off season 10-16 Tue-Sat; closed on Mon
Home of the Olsztyn Gazette (Dom Gazety Olsztynskiej)
Targ Rybny 1, tel. 534 01 19, hours: in season 9-17 Tue-Sat; closed on Mon; off season 10-16 Tue-Sat; closed on Mon