In Slovenia, there is a castle in a cave. The castle has many stories of secret passages and hidden treasure. Join TCKP as we take a paranormal adventure into Predjama Castle.

https://thelittlehouseofhorrors.com/predjama-castle/

https://travelslovenia.org/predjama-castle/

https://www.postojnska-jama.eu/en/predjama-castle/