If I were a high school history teacher this is how I would introduce EVERYTHING: World War 2 Facebook Newsfeed...despite the language this is the coolest way to explain the war to kids who ONLY understand thing they see on FB!
Resource: Stanford History Education Group. This is a website with lessons aimed at teaching middle school-aged students and above to "read like a historian;" the lessons require a high level of English language proficiency but could possibly be adapted for students who are at lower levels.
Bring nature and culture from around the world to your students—and skip the costs. The Virtual Field Trips collection offers apps, videos, and Multi-Touch books from places like MoMA, the Smithsonian, the Met, the Palace of Versailles, the Grand Canyon, the U.S. National Archives, the Library of Congress, and the Royal Opera House. Whether you’re teaching the arts, history, or the sciences, these resources present opportunities for interactive activities in almost any lesson.