The 66th World Science Fiction Convention (Worldcon), also known as Denvention 3, was held on 6–10 August 2008 at the Colorado Convention Center and the Sheraton Denver Downtown Hotel in Denver, Colorado, United States.

The World Science Fiction Society administers and presents the Hugo Awards,[3] the oldest and most noteworthy award for science fiction.

Categories include novels and short fiction, artwork, dramatic presentations, and various professional and fandom activities.

[3][4] Other awards may be presented at Worldcon at the discretion of the individual convention committee.

The members of Denvention 3 selected Melbourne as the hosting city for the 68th World Science Fiction Convention, to be held in 2010.