Menhirs in Žateck

I went by train to the village of Tvršice, which is on the Postoloprty - Žatec line. I set out for the second largest and most famous menhir in the area of ​​the Český středohoří and Žateck, which is called the Petrified Monk.
From the station in Tvršice I went along the road to Rybňany. On the left I pass a dilapidated castle, in the yard there is a nice multi-storey dovecote and behind it an interesting old conical building, apparently in the past...