A group of rafters hits some rough water; a woman is attacked by a polar bear; a group of computer programmers travels to Africa.

A hiker gets stranded on a zip line; a newlywed couple encounters a hurricane; a family is stunned by what they encounter on a whale watching trip.

A tourist saves a chimpanzee; an American professor travels to Singapore to witness a rare religious festival; a mother base-jumps from a waterfall.

A beachgoer slips into jagged ricks after being hit by a wave; a pair of hunters rescue a trapped deer; a mother travels to a women's basketball fantasy camp.

A bear goes for a swim in a family's backyard; a couple buys a unique home; thrill seekers combine hang gliding with parasailing.

A couple has an unforgettable experience on safari; a unique experience for thrill-seekers crosses a motorcycle and an airplane; a dog than can SCUBA dive!