In the Museum of Czechoslovak fortification Klášter you can take a tour of the so called "Řopíků" (military sites mod. 37) with an expert commentary. The buildings are armed and equipped with a period equipment and kits of the Czechoslovak soldiers from 1938. In the museum you can also find an information board of the Trail of the 20th century.
Tracks:
www: bunkry-jh.cz