The pan-Hellenic sanctuary of Delphi, where the oracle of Apollo spoke, was the site of the omphalos, the 'navel of the world'. Blending harmoniously with the superb landscape and charged with sacred ...

Do you constantly write gauge as ‘guage’? Or would you have difficulty explaining what an omphalos is? They are the sort of challenges which face the competitors in Scripps National Spelling ...