Tar Pit Tour: The Ice Age Miracle From Miracle Mile

For more than a century, scientists have excavated fossils from the La Brea tar pits. It's a paleontological treasure chest, a snapshot of the late Pleistocene and Ice Age California. That picture is growing sharper by the day as paleontologists dig into Project 23, a huge cache uncovered almost six years ago during the construction of what would become a parking garage.

Photos: Jim Merithew/Wired.com