mastodons

The La Brea Tar Pits in Los Angeles, the world's only urban active ice age fossil site, is undergoing a major renovation after nearly 50 years. The site preserves over 2 million ice age fossils, including mastodons and saber-toothed cats, trapped in natural tar pools that still bubble today.

The La Brea Tar Pits in Los Angeles, the world's only urban active ice age fossil site, is undergoing its first major renovation in nearly 50 years. The site contains over 2 million fossils of ice age flora and fauna, including mastodons and saber-toothed cats, preserved in still-active tar pits.