The Hart Museum remains closed. Los Angeles County has approved a plan to transfer the William S. Hart Museum and Park from the County to the City of Santa Clarita.

Our Lens on Climate

Our scientists take you behind the scenes, inside our collections rooms and exhibition halls, for a tour into how shifts in biodiversity signal our changing planet.

Climate change video Regan Dunn

Whether studying gargantuan dinosaurs that once ruled the Earth or ancient plants that thrived during the Ice Age, scientists at the Natural History Museum and La Brea Tar Pits are helping us understand our changing planet. Walk with us behind the scenes into labs and collections rooms to see how these investigators are building knowledge about our climate, from ancient times to today.