A 2000 Bigfoot 'body imprint' cast from a Washington forest. Either the most compelling Bigfoot evidence ever or a particularly comfy elk wallow.
From Wikipedia
The Skookum cast is a plaster cast showing the imprint of what appears to be a large animal. It was discovered in a muddy wallow near Mount Adams in the southern part of Washington state in the year 2000. Enthusiasts have argued that the imprint may have been made by the folkloric creature, Bigfoot, though scientific analysis says it was most likely an imprint of an elk. Scholars and academics consider Bigfoot, and alleged evidence, to be a combination of folklore, misidentification, and hoax rather than a living animal.