Pagans, witches, wiccans, druids and shamans gather at London's Conway Hall for an extraordinary celebration of the changing season. The Beltane Bash's parades have dancing bushes, medieval giants, live music, chanting and singing. Join in with a leafy green outfit.
Established for nearly 30 years, the London International Antique Dolls, Toys, Miniatures & Teddy Bear Fair attracts collectors and dealers from around the world. Now taking place at Dulwich College, find antique and new dolls, bears, miniatures and juvenilia.
First held in 2002, the London International Festival of Science Fiction and Fantastic Film (to give it its full title) covers all genres. It ranges from premières of the latest blockbusters to a 48-hour film challenge for five-minute films, via all-nighter screenings.
Open your mind and release your body at the annual Mind Body Spirit Festival at Earl's Court. A huge range of 'alternative' goods, concepts, companies and individuals persuade you to embrace a spiritual future and a healthy lifestyle.
Free Range at London's Old Truman Brewery brings the very best of the country's creative talent together on one site and boasts visitor numbers to rival some of the capital's top art shows. You might even spot the next Tracey Emin!