Spring-Heeled Jack jumping over a gate Illustration from a 19th century "penny dreadful." From the BBC Hulton Picture Library.

The Shipton Photograph, cropped to show just one print Photograph of yeti footprints in snow, taken by Eric Shipton on the Menlung Glacier in 1951.

The Shipton Photograph, a larger but crappier copy Photograph of yeti footprints in snow, taken by Eric Shipton on the Menlung Glacier in 1951.

Tracks left by a night visitor to Advance Camp Photograph taken by Joe Tasker, September 17, 1977. From Peter Boardman's book, The Shining Mountain (1982, 1985 Vintage Books).

Dickins character Krook spontaneously combusts. Illustration by Phiz for Charles Dickins novel, Bleak House, 1853. Mary Evans Picture Library.

An illustration of an old soldier found burnt in Aberdeen, 1888. Artist unknown. Mary Evans Picture Library.

The remains of a woman found in London, 1964. Photographer unknown, 1964. Collection of Tony McMunn.

The remains of Dr. John Irving Bentley, December 5 1966. Photographer unknown, December 1966. Photograph copyright 1976/1993 by Larry E. Arnold; used with permission.

Fire officials sift through the remains of Mary Reeser and her chair. Photographer unknown, July 1951. Collection of St. Petersburg, Florida, Police & Fortean Picture Library. Non-copyright image.

Mummy of Tetsuryou-kai [1815-1877]. Photographer unknown. From a flyer about the mummy distributed at the Nangakuji temple in Tsuruoka, Yamagata prefecture, Japan.

Mummy of Tetsuryou-kai [1815-1877]. Photo taken by Garth Haslam, 1998, at Nangakuji temple in Tsuruoka, Yamagata prefecture, Japan. For permission to use, please email him by Clicking Here.