Related Clues:

• Beelzebub's bailiwick
• Unbearable experience
• It has a fire down below?
• It was guarded by a three-headed dog
• It's for children, in a Pat Benatar song
• It's for children, in a Pat Benetar song
• Charon's locale
• Brother of Zeus
• Sherman's word for war
• Mythical underworld
• Master of Cerberus
• The land down under?
• "___ hath no fury ..."
• Underworld of Greek mythology
• Site of the mythical Lethe River