Elder futhark (Windows - Version 1.1, Macintosh - Version 1.0) - The oldest Germanic runic alphabet, still used for divination.
Linear B (Windows, Macintosh) - Mycenaean (ancient Greek) syllabary, derived from Minoan Linear A.
Moon phases (Windows, Macintosh) - Phases of the moon (one-day increments)
Woolbats (Windows, Macintosh) - Wiccan/Pagan dingbats, including Goddess and God symbols and symbols from Celtic, Minoan, and Old European sources.
Pie charts for maps (Windows, Macintosh) - Pie chart symbols for use as location markers on maps.
Moon phases (Windows, Macintosh) - Phases of the moon (one-day increments)
For many more ancient and esoteric fonts, see Coron's Sources of Fonts.