Jack visits an Arctic explorer and learns all about sled dogs.

Wildlife in Masai Mara, Kenya; plants; a bushman demonstrates survival techniques.

In Kenya, Jack visits a giraffe center and a school where children are learning about wildlife conservation.

Jack's trip to Africa is highlighted with clips and anecdotes.

In Uganda's Bwindi Impenetrable Rain Forest, Jack seeks the mountain gorilla.

Jack investigates the bond that unites conservationists, zookeepers, researchers and animals.

At a Florida turtle hospital, Jack helps free a wounded turtle from a fishing line and learns about a new virus.

Hundreds of snakes await Jack at a Florida serpentarium, where venom is extracted for various uses.

Infant walruses and elephant seals are among the pinnipeds Jack observes in the Pacific.

A bird trainer introduces Jack to a talking parrot and demonstrates his training techniques with macaws and condors.

Jack visits trainer Joel Slaven, who works with animals from humane societies.

Visiting the Underwater World Oceanarium in Mooloolaba, Australia, to dive with sharks.

Underwater explorations in and around the Bahamas to examine sunken wreckage, reef sharks and piranha.

Visiting the most famous gorilla in Africa at the Johannesburg Zoo; red pandas; breeding program; Africa's only polar bears.

In Botswana; Jack and his daughter encounter lions; nature walk; elephants; rock python.

Seeking out the great white shark in Shark Alley, off the coast of South Africa.

Kalahari Desert; brown hyena with pups; orphaned zebra foal; village children; digging for scorpions.

North Carolina: llama trek; unique veterinary program; endangered wildlife.

Columbus Zoo; cougar; wolverine; armadillo; gibbon; clouded leopard; snakes; gorillas; red fox; possum.

During a horseback safari, an elephant charges Jack and Kathaleen.

A South African endangered species breeding program requires an antelope roundup and relocation of a white rhino.

Jack visits some of his favorite aquariums and parks; new programs focusing on animal enrichment.

In Central Florida; whooping cranes released; bald eagle population.

A Florida professor provides a safe house for primates being reintroduced into the wild.

Jack and his daughter Kathaleen go on a boating adventure exploring the animal rich rain forest surrounding the Panama Canal.

A converted Air Force radar station becomes home to bird watchers at Panama's Soberania National Park.

In Costa Rica; Corcovado National Park; tapir; raging rapids; Pacuare River.

Traveling to the Oak Hammock Marsh, a restored natural habitat which functions as a stop for birds on their migratory route.

Jack tries to find the hard to find Hog Nose snake in the rolling dunes of Spirit Sands. Kathaleen watches Black Bear behavior at Riding Mountain.

Viewing the beauty and wildlife of Glacier Bay in Juneau, Alaska; exploring an old gold mine.

Jack and Kathleen find iguanas, sea lions, blue-footed boobies and frigate birds in the Galapagos Islands.

In Costa Rica: blue morpho butterfly; Tortuguero, the Caribbean.

In Costa Rica, Jack treks through the Corcovado National Park in search of the jaguar.

In Costa Rica: encountering reptiles at the World of Snakes; Sloth Rehabilitation Center.

Iguassu Falls, nesting site for swifts; coatimundis; toucans, macaws.

In Brazil: Sao Paulo Zoo, breeding ground for endangered wildcats; the government rehab center in Campo Grande; Bonito.

In the Judean Desert, Jack encounters a large herd of Ibex at the beautiful Oasis En Gedi. Kathaleen hikes to the top of Masada, then floats in the Dead Sea.

The annual elephant festival in Surin, Thailand.

Training dogs to assist disabled people.

Jack visits with the students. This unique “hands-on” program teaches them how to become zookeepers.