The common explanation is that when big herbivores like mammoths got stuck ... Still, people often don’t realize that it’s a place for active scientific research, as the tar pits lie in ...

But the sticky, black asphalt that fills the pits was oozing up from the ground long before people turned this land into a bustling city. Across millennia, the tar pits ... is stuck in the past.

Did you know that people can discover fossils in a major city? Head to the La Brea Tar Pits to see an active dig site in the heart of Los Angeles. The tar pits were formed thousands of years ago ...