Sacred sites of the Knights Templar : ancient astronomers and Freemasons at Stonehenge, Rennes-le-Chateau, and Santiago de Compostela
- Megalithic sites around Stonehenge
- Sacred sites outside of the British Isles
- Mysterious architecture of Rennes-le-Chateau
- Historical mysteries of Rennes-le-Chateau
- Lost societies of medieval France
- Successors of the Knights Templar
- Santiago de Compostela
- The Templars and the Holy Grail
- Astronomy and religion in ancient Europe
- Astronomy at other Templar and Masonic sites.