Travelling the jungle rivers is no easy task, especially when dealing with a wide array of dangerous illnesses and creatures. The queue for the Jungle Cruise is filled with photos, maps, and other paraphernalia including a certain poster warning about the risks of contracting malaria. Quinine was an often-used treatment for malaria up until the 1940s, and so was an important thing to pack for any jungle adventure.
The backstory regarding McDonald's as the overarching sponsor of Dinoland, USA is given at the entrance to the Boneyard, in a small glass-fronted bulletin board. A letter from Dr. Helen Marsh announces the generous grant given to the Institute to allow for time travel to be possible - convincing us forever that the future is truly in the past.
