Free Admission Monday at La Brea Tar Pits - see INFO below. A beloved destination for generations, La Brea Tar Pits is Earths most important Ice Age fossil site and a hub for both public education and critical research that connects the last major episode of climate change to today. Yet, because it was built more than 50 years ago, it lacks the necessary facilities for modern-day scientific research, which inhibits the learning from our past that is so essential to understanding our collective future. More Info below.