We operate the Museum of Czechoslovak Fortifications. You will see here the period armament and equipment including anti-tank gun vz. 36 (L1 weapon), the only preserved and fully functional Kunz Buldog pump, equipped filter room and engine room and other rooms in an advanced stage of reconstruction.

Offering tours of the original gothic castle. The castle was founded sometime in the late 13th century during the last Přemyslids' colonization of the still sparsely populated border forest of northeast Bohemia, which was a royal property. Occasional performances of historical fencing groups are held on the grounds.