Mujeres en la ciencia. Biografías
Language learning. What's it good for? - Words to good effect
Infographic: What are the hardest languages to learn for an English speaker?
AP Spanish Literature and Culture--really good resource
All Year Round contains 42 songs that will add a lot of fun to your Spanish class. It has songs that supports many of your units.
Instead of saying I Don't know...
Infographic: 5 Ways to Say BACON in Spanish