Keyes is seen as a shadowy figure in ski mask and hood outside Common Grounds, a tiny Anchorage coffee shack then partially concealed from a busy six-lane highway by mountains of snow.

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Rushing waterfalls, steep slopes, 10 species of primates and a wealth of unique bird and plant species are the highlights of hiking in the seldom-visited Udzungwa Mountains, located about a six hour's drive southwest of Dar es Salaam.

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There are mountains that float, flying reptiles, six-legged horses and strange, ethereal objects that look like jellyfish.

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Between mountains in the Hindu Kush range lie six, sky-blue lakes.

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Nietzel says he has made 29 searches for the treasure in six states, and he plans to resume his efforts when it gets a little warmer in the mountains.

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You can take a scenic scheduled charter flight over the back ridge of the Mahale Mountains from Arusha (four hours) with Zantas Air or from Dar es Salaam (six hours) with Safari Airlink.

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Despite their personal sturdiness and the immense range of their wanderings (they settled Europe and Asia from the Iberian Peninsula to the Altai Mountains of Siberia), the latest genetic studies indicate their total population never managed to reach six figures.

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