Call Iowa flat all you want, at least we don't have to worry about giant rocks falling on our cars!

The dash-cam video above shows a huge boulder tumbling off a cliff and hitting the highway a few feet in front of a car. Then it bounces off the road and almost hits their windshield. It could've been a disaster.

The driver said he wasn't injured and his car only had minor scratches from the debris.

Read more at UPI.