2. An Ancient Ritual

From a ritual war game to a nomadic hunting tradition, tests of bravery, skill and strength are fueled by the needs for food, survival and glory.

3. Rites of Passage

Young men in Madagascar grapple with a zebu to enter adulthood as boys elsewhere try to master Kung Fu, sumo wrestling and reindeer racing.

4. In Pursuit of Perfection

A surfer sets out to ride a massive wave. A diver attempts a deadly plunge. A female racer in Palestine and a wheelchair bodybuilder create spectacles.

5. God's Playground

From mountaineering in the face of death to a game for a fruitful harvest, sports are spiritual experiences for those seeking signs from a higher power.

6. Big Business

A popular combat sport in Senegal provides a payday for many, while technology gives rise to games that rake in millions for players and gamblers alike.