It's been called 'the greatest museum of prehistoric art'&#x

It's been called 'the greatest museum of prehistoric art'—but few tourists know it exists

It's been called 'the greatest museum of prehistoric art'—but few tourists know it exists

nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.

Related Keywords

Tamanrasset , Tamanghasset , Algeria , Niger , Libya , Tassili Najjer , Wilayad Illizi , France , London , City Of , United Kingdom , Algiers , Alger , Hoggar , Slovenia , Djanet , French , Libyan , Algerian , Henry Wismayer , Matjaz Krivic , Henri Lhote , Tadrart Rouge , Instagram , Hoggar National Park , Tassili Najjer National Park , Tassilin Ajjer National Park , Saharan Africa , Humid Period , Tassilin Ajjer , Djanet Airport , Fancy Yellow , Algerian Sahara , Hoggar National , Bolivian Fotofestival ,