Season 7, Episode 24

Young girls sold on the streets of L.A. are victims of human trafficking.

Weekly hug sessions give people the benefits of human touch.

Classic automobiles get new life without losing their weathered charm.

Historical footage of a dangerous Hollywood intersection before traffic signals.

Season 7, Episode 27

Food scraps are turned into fuel at a state-of-the-art Orange County recycling center.

A close-up view of the colorful light show from the top of downtown's U.S. Bank tower. 

A graduate student at UCLA has a secret. He has chosen to live in his car.

The amazing dexterity of twins who have mastered the art of "cardistry."