Possible Clues:

• Imaginary place of maximum badness
• Days off without helmet will be hell
• Paradise's opposite
• Extremely dreary, awful spot, one area where everything's bad
• The London of 'Brave New World,' e.g.
• Is day tripping taking in best or worst possible place?
• Typo said possibly to be in worst imaginable place
• Imaginary place where all is bad
• Opposite of paradise (... first three)
• Land where all is bad