The Mound in Sólca is a mysterious historical object, the original purpose of which remains unclear. Located on the road from Sierakośce to Sólca, it rises to a height of about 6 meters, with a base with a diameter of 50 meters. There are various theories in the scientific literature regarding the function of the mound - some researchers suggest that it could have served as a defensive stronghold with a wooden tower, others point to its possible burial function as a barrow. Fragments of prehistoric pottery were discovered on the top, which may indicate its cultural significance.