D Black Mountain - Australia Formed from 7) (VOLCANO) magma around 260 million years ago, Black Mountain is made up of a labyrinth of massive black boulders. It's a wonderful, unique place but it has a dark history and locals claim visitors should beware. 8) (EXPLORE) have described the maze of caves and narrow passageways in the mountain and some have reported an interior inhabited by vampire bats and gigantic pythons within pockets of suffocating bad air. Countless stories tell of the people who have walked into the caves never to return. Even a farmer and his herd of cattle are said to have disappeared into the mysterious caves. Some say that the eerie sounds of loud cries and banging are the lost trying to find their way out. Others insist it's the natural sounds of water and cracking stones in the caves. There is also a legend that a cat-like beast called 'the Queensland tiger' is responsible for the 9) ..... (DISAPPEAR) as it prowls the area and drags victims into its lair in the caves. Intriguingly, descriptions of the lion which became extinct in Queensland about 20,000 Queensland tiger 10) (CLOSE) resemble a species of years ago!