In locations of atrocities around the world, tourists and tourism companies must ask themselves: when does tourism walk the line between education and exploitation?

BBC: Touring history��s dark side

Though the history of the line is intertwined with the ugliness of colonial exploitation and the bygone era of big-game hunting, passengers on the Lunatic Express sought the same kicks that safari-goers in Kenya look to experience today.

BBC: East Africa��s best kept secret