After 40 years, many of the wounds are as fresh as they ever were for Vietnam vets. Many still find it difficult to talk about, but their powerful stories are more relevant than ever.

Lou Whitney flies over hills at high speeds, takes sharp turns on dirt tracks and he competes in Motocross championships, all at the age of 72.

It's the ultimate motorized highwire act, requiring lightning-fast reflexes, incredible strength and stamina, and nerves of steel. For decades, motocross has been a young man's extreme sport. It's still extreme, but suddenly there's gray hair everywhere.

The most effective, devastating and romanticized aircraft of WWII was the B-17. Countless books and movies dramatize the Flying Fortress and the 10-men crews that flew them. Here is a chance to take a rare flight in the plane that ruled the skies.

In her book, "Voices From Vietnam," author Charlene Edwards takes an intimate look at the battle scars still haunting Vietnamese and U.S. troops.

Leo Dean boldly jumps where few his age have dared -- out of a soaring airplane.