• The warmia chapter castle in Olsztyn
  The castle in Olsztyn was built in Gothic times (XIV-XV centuries). It was here in the 16th century that Nicolaus Copernicus lived as the administrator of the estate of the Warmian Chapter. The most valuable monument of the castle in Olsztyn is the astronomical table, which served Copernicus to determine the day of the spring equinox. It is the only astronomical instrument in the world performed by an outstanding astronomer, preserved to our times.
• "Ukiel" Recreation and Sports Center in Olsztyn
  Located by the largest Lake in Olsztyn - Lake Ukiel, the center creates perfect conditions for active rest in a natural setting. In the summer, there are several guarded bathing areas, a water playground for children, you can can also rent sport equipment - kayaks, pedal boats, boats, sailboats, canoes and many more. There is a water playground for children, several beach volleyball courts and the only beach volleyball hall in Poland with specially heated and sprinkled sand. There is also a skatepark, a basketball court and a water ski lift. There is water taxi on the lake.
• Planetarium and Astronomical Observatory in Olsztyn
  The facility offers many interesting thematic sessions (not only astronomical) for children, teenagers and adults. On the terrace of the Observatory, night sky shows take place.
• Warmiolandia
  Warmiolandia is the largest children's playroom in the region. Jungle gym, various types of play structures, hiding places, obstacles, trampolines, slides, multimedia table, electric cars, classes run by the animators, live mascots including Warmiś (a mascot) will not let any child get bored. There was also a special zone for toddlers and an outdoor green garden. You can also eat here - the menu is dominated by dishes for children.