Kaunas Castle is a medieval fortress situated in Kaunas, Lithuania. It was built during the 14th century and was an important defensive structure in the Grand Duchy of Lithuania. The castle has been restored and now serves as a museum, where visitors can learn about its history and see various exhibits, including weapons and armor. It is also a popular tourist attraction and often hosts cultural events and festivals

You can explore the castle from the outside and you can also visit the inside. Entrance is 3 euros