Los Angeles is the largest city in California. It is also the largest city in Western America. L.A is made up of small towns put together to make a huge city. It is connected by roads, highways and state highways make this city a heavily polluted city. It is that way due to the backing of the Rocky Mountains and Ocean. But this city is home to many species of animals. And to the largest fossil site known as the La Braya Tar Pits. Resting place to Smilodon, Columbian Mammoths, Horeses, Wolfs, Bisons and bears.