Kate Youngdahl

The Okavango River empties into desert; wildlife such as fish eagles, Nile crocodiles, lions and sitatunga antelope.

The billfish are the biggest, fastest, and most dangerous gamefish in the sea. All have captured man's imagination like few other creatures, whether it's the graceful sailfish, the menacing swordfish or queen of them all, the marlin, immortalized by Hemingway in 'The Old Man and the Sea'. Marine biologist and film-maker Rick Rosenthal has travelled three oceans in his attempt to capture them all on film, and in doing so has become a passionate champion for these endangered yet little-known ocean giants.

A celebration of California’s wildlife and wild places, and their coexistence with the 40 million people who call it home. Famous for its beaches and Hollywood, California is also a wellspring of biodiversity. Bounded by mountains, deserts and the Pacific Ocean, here are iconic wild places like Yosemite National Park and Death Valley, as well as Baja California’s lesser-known wild beauty.