Explore Outdoors: Hike along American River with a prehistoric past

If you've never been on the Quarry Trail along the American River in the Auburn State Recreation Area, don't let the signs warning of rattlesnakes, mountain lions and poison oak deter you if you're seeking a family-friendly hike to a cave that once held evidence of a prehistoric past. To see the hike, and learn of its prehistoric and historic past, take a look at the video above.