Mayaco
Mayaco: Holiday Traditions
Good, thorough description of Christmas in a number of countries, including Spain and Mexico. Even includes a few holiday recipes.
PBS
Pbs: The Great War and the Shaping of the 20th Century
PBS provides a detailed look at World War I and its affect on the world at large. Content includes comprehensive interviews with expert historians, an interactive timeline, an interactive gallery complete with detailed maps, and...