The Edwardian Ball is an annual art fair and dance focused around steampunk and goth styles in reflection the work of artist Edward Gorey. The most recent one took place just a few days ago in San Francisco. One costumed attendant was spotted wearing a helmet that looked convincingly like a fishbowl with life fish inside.
via Crackajack | Official Website
UPDATE 1/28/11: Commenter Laurasita clarifies the term "Edwardian". It refers to artist Edward Gorey, not King Edward VII.