The ruins of Frýdštejn castle is one of the three castles of the Jablonec district. The first mention dates back to 1385. The castle was written about in Karolina Světlá's book "About Krejčíkovic Anežka". The ruins of the castle were used for filming the movies About Princess Jasněnka and the Flying Shoemaker and Murder in Our Own Way.