The Trail of the Eagles' Nests of south-western Poland, is a marked trail, named after a chain of 25 medieval castles which the trail passes by, between Częstochowa and Kraków. The Trail of the Eagles' Nests was first marked by Kazimierz Sosnowski. Since 1980, much of the area has been designated a protected area known as the Eagle Nests Landscape Park.
The castles date...