The Needles vehicles transporting disabled visitors. This is because the single track road's position close to the cliff edge is considered dangerous for multiple car use. The Isle of Wight Coast Path has its westernmost point at the Coastguard Cottages. The Needles' pointed shape is a result of their unusual geology. The strata have been so heavily folded during the Alpine Orogeny that the chalk is near vertical. This chalk outcrop runs through the centre of the Island from Culver Cliff in the east to the Needles in the west, and then continues under the sea to the Isle of Purbeck, forming
The Island at the Top of the World four friends move further and further away until they vanish into the Arctic mist. The film's pre-production lasted for several years. The 30th Anniversary Edition of the film, released by Walt Disney Studios Home Entertainment in 2004, includes a "1968 Pre-Production Trailer" as a bonus feature, which includes an interview with producer Winston Hibler. The film was based on the novel "The Lost Ones", written by Ian Cameron, set in the location of Prince Patrick Island. To tie in with the film, the novel was reissued with the movie's title. There were several changes from the book to the film.