How Do They Do It?

The secrets behind designing the ultimate bowling ball are revealed.

A large football stadium is turned into an ice hockey rink.

A 700-year-old tree is turned into a Japanese drum weighing two tons.

Rikers Island, one of the biggest jails in the world, is visited.

Experts reveal how Swiss cheese gets its holes.

Japanese scientists stimulate oysters to form perfect pearls.

A brewery produces over a billion bottles of beer a year.

Roulette wheels are made that are perfectly unpredictable.

Danish bomb squads find and dispose of thousands of World War II landmines.

Over a century of Italian craftsmanship is squeezed into an accordion.

Workers manufacture toilets that massage and blow-dry.

Submarine rescue specialists participate in a training exercise.

The secrets behind keeping cars racing for 24 hours are revealed.

Giant sturgeon are farmed for the delicacy of Russian caviar.

The centuries-old secrets behind making frankfurters are revealed.

Powerboats are built that ride waves faster than most cars ride the road.

The world's largest cruise liner fits under a bridge lower than the ship.

A circus tent is erected as high as a building in less than 36 hours.

The world's biggest fish market feeds Japan's appetite for seafood.