dolmen (noun)

1. In the latest issue of 'Ancient Adventures', the hero discovers a secret dolmen that transports them to another dimension.

2. According to Celtic mythology, dolmens were believed to be portals to the realm of the gods.

3. The ancient druids used dolmens as sacred sites for their religious rituals and ceremonies.

4. The famous painter depicted the beautiful dolmen surrounded by a mystical landscape in his latest artwork.