Wonderful resource - especially for proper nouns, borrow words, etc. For example, I looked up how to pronounce the name of the author Marie NDiaye who won France's prestigious book award, Le Prix Goncourt, in 2009.
Lingro allows you to view any foreign language website through its own online browser, allowing you then to click on any word on the screen to find out its meaning in English or your chosen language. Not only that, it remembers which words you clicked and then tests you… a fantastic resource for language learners.
Want to know what technology is out there that you can use in your teaching?? Start here!! Regularly updated list on the reliable Box of Tricks blog. Truly, this is a site to keep coming back to!
UK website with several ready-to-go advocacy presentations that could be adapted for use in the US. I really like the Language Unlimited PowerPoint at the bottom that promotes the study of Linguistics (ideal to show to middle and high school students).