Hundreds of steampunks are expected to descend on Hull city centre over the next few days.
The Hulloween Steampunk Festival will make its debut from 28-30 October, with a series of free and ticketed events.
The event features ghost walks, a fancy dress competition, talks, displays, markets and a grand parade.
Steampunk began as a sub-genre of science fiction which imagines a future powered by steam and clockwork but with a Victorian or Edwardian twist.
HullBID has organised the weekend in partnership with the Ministry of Steampunk.