One of the world's best-known mythical creatures is the Loch Ness Monster, a large, aquatic, dinosaur-like creature inhabiting the body of water known as Loch Ness in Scotland. This (much disputed) photo taken by Hugh Gray on Nov. 12, 1933 was supposedly the first photograph of "Nessie," as some Scots call it.

A group of Sasquatch researchers claim they have proof that big foot is real. Dr. Melba Ketchum, who has led the group of researchers called the Sasquatch Genome Project, has been working on a $500,000 analysis of DNA samples from an unknown hominin species. The team purportedly captured footage of the legendary beast moving through wooded areas in Kentucky.

A YouTube video of a so-called "dead alien" found in Russia is quickly becoming an Internet sensation.

Jack and Linda Crabtree snapped photos of a hairless, slow-moving creature outside their home in Lake Jackson, Texas,

The first of the five photographs, taken by Elsie Wright in 1917, shows Frances Griffiths with the alleged fairies.

The Pacific Northwest Tree Octopus can be found in the temperate rainforests of the west coast of North America according to a website created in 1998 by Lyle Zapato. Zapato created this poster design titled "A New Dawn for the Pacific Northwest Tree Octopus" to raise awareness for the tree octopus.

Oxford University genetics professor Bryan Sykes holds a DNA sample taken from hair of a Himalayan animal. Sykes may have solved the mystery of the Abominable Snowman- the elusive creature of the Himalayas also known as the Yeti. He thinks it's a bear, based on two samples sharing a genetic fingerprint with a polar bear jawbone found in the Norwegian Arctic that is at least 40,000 years old.

In 2000, a photo of a giant cat named Snowball went viral. Cordell Hauglie explains that the photo was not intended as an internet hoax, but was created for a friend of Hauglie's daughter, who was 13 at the time, the image soon spread worldwide.