Most of us are used to seeing the puffy white clouds that sometimes look like random objects, but here are a few extremely cool formations that actually exist in nature. Our favorite? The lenticular clouds, which form when stable moist air flows over a mountain and the temperature at the crest of the wave drops to the dew point, causing moisture in the air to form into these unusual shapes. Click here to view the first image in today's viral picture gallery. Continue reading for a viral video called "What's on Your Mind?", a short film that explores why Facebook and reality are entirely different.