In California, Steven adores the old-new and social melting pot San Francisco. In the same state, which would be the world's 7th economy, stops include marijuana growing and bust, a forest reserve, as in Oregon. In Washington, innovative Seattle and a seal care center, end of the London cab's tour of 48 contiguous states. In Alaska, the northernmost and largest, the stories of sea otters, natives, Russian orthodox missionaries. On Hawaii, the southernmost and youngest state, a real P.I., Polynesians, shark cage swimming, astronomy and the 29 volcanic islands.