- Nebra Sky Disk
- Mayans, Aztecs and Incas
- Lost Tribes and Sunken Continents (Atlantis)
- Edible Wild Plants
- Roman and Greek Mythology
- Human Impact on Environment
- Stars (constellations) and Galaxies
- Ancient Art
- The Ecology of Eating
- Folklore
- Arabic & Hindi script
aug 24 2011 ∞
aug 24 2011 +
aug 24 2011 +