Egyptian Desert Subtheme
 Books and
Magazines
Amazon Jungle Subtheme
Dinosaurs
Dino Island Subtheme
 Orient Expedition Subtheme
Indiana Jones Theme
Adventurers 
Literature
Books
Adventures!
Mania Magazine
Merchandise
There are several books based on the Adventurers Theme.

And two Lego Magazines regularly has stories about the Adventurers theme.