Geography informs the ways people interact with their environment, from the paths of daily commuters to the terms of international treaties. Programs in this subject usually include an investigation topics such as oceanography, map making and political theory.

Spanning many countries and island territories, South America is home to many Spanish-speaking countries. Here, students can literally walk through history on their way to class and soak up the culture of ancient societies.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.