Eleusis

The cat will have been irrecoverably let out of the bag, the mystery of the poet as exploded as the mysteries of Eleusis.

At Eleusis, it was not the name but the intonation of the voice of the magician which produced the mysterious results.

They were named from Eleusis, a town in Greece where they were celebrated.

Some of my fellow-passengers made their way to Eleusis, but they came back disappointed, and covered with dust.