The noted fossil site Labrea (6 letters) is located in the La Brea Tar Pits in Los Angeles, California. It is a famous paleontological site that has yielded a large number of fossils from the Pleistocene Epoch. The tar pits are composed of asphalt deposits that have been naturally seeping up from underground for thousands of years. The fossils found at the site include those of saber-toothed cats, dire wolves, mammoths, and other extinct animals.