Wild West: America's Great Frontier - bbc2

Restless Shores The series concludes with a journey along America's West coast. The programme examines how the landscape is shaped by the Pacific Ocean as well as powerful forces beneath ground, particularly along the San Andreas Fault. The programme also visits the warm and sheltered waters of the Sea of Cortez, where animals including blue whales gather, and discovers how a small community in America's westernmost point have a unique relationship with grey whales