Commissioner John B. Weller and surveyor Andrew Gray had been sent to the border of the United States and Mexico to mark a line that existed only on maps, and the work was not going well.

Would it work? Those were some of the questions that we had in mind when we set out to see, film and map every foot of the U.S.-Mexico border. This map will show you video of the entire border ...

A recent study published in the Journal of Archaeological Method and Theory shed new light on the extent and organization of the El Argar civilization, which flourished over 4,000 years ago in what is ...