A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
There's a rare breed of pig that looks like a sheep.
14
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
34
It is impossible to hum if your nose is plugged.
366