The Downshift

The Bonneville Salt Flats in Utah are the Valhalla of land speed racing. What started as just a sport in the 1900s has evolved into a vibrant culture anchored in history and a shared love for living life at the limits.

Jessi Lang heads to Mazda Raceway Laguna Seca to participate in a special session of Skip Barber's High Performance Driving School designed to help drivers harness the awesome power of Nissan's flagship supercar at the track.

Tony Pellegrino and his 4485 GenRight Off-Road Buggy compete in the ultimate battle of rock sports racing -- King of the Hammers!

Andrew Comrie-Picard and his Scion Sparco Rally xD team compete in Rally America's 2012 Oregon Trail Rally.

We take to the streets of Detroit to stage an impromptu car chase between the Ford Shelby GT500, the 2013 Ford Police Interceptor and 2012 Dodge Charger Pursuit police cars.

Murph, a former multi-millionare, lost it all and decided to live on a BMW R1150GS Adventure motorcycle. His mission is to travel all around the world on two wheels and photograph his adventures.

The stylish world of Cafe Racers and the vintage motorcycles they love is revealed.

Fred Williams of Petersen's 4Wheel and Off-Road heads to Jeep's Toledo, Ohio, factory to watch the construction of a Wrangler JK Rubicon. This 2012 Wrangler is the exact vehicle Fred and his team will modify to compete in.

On a visit to Toyota Motorsport GmbH in Germany, Toyota was hard at work preparing their new hybrid prototype race car for the world's oldest endurance race, The 24 Hours of Le Mans.

The Voodoo Dolls, an all-women custom car club from Austin, Texas, gather to show their own retro customs at the 2012 Lonestar Roundup car show. Their motto is "Loud and Proud!"

Watercar attempts to build the world's fastest amphibious vehicle. After nearly a decade of development, Watercar believes their prototype is almost ready for production.

Part restoration garage and part museum, the Mercedes-Benz Classic Center is tasked with keeping Mercedes-Benz's illustrious automotive history alive, with ongoing restorations of some of the automaker's most important models.