Burlington Public Library

Journalists Pete McBride and Kevin Fedarko set out on assignment for National Geographic Magazine to traverse the Grand Canyon by foot. They hope this 750-mile walk will help them better understand one of America's most revered landscapes and the commercial developments poised to alter it forever.

Unviels the most colorful and diverse undersea world known, through the enchanting beauty of the Great Barrier Reef, its complex ecosystem, and the symbiotic relationships and extreme fragility of its environment.

Journey with more than two million wildebeests, zebras and antelopes as they travel over 500 miles across the Serengeti plains. Also features Africa's greatest predators: lions, crocodiles and cheetahs, in deadly pursuit of the migrating prey.

Explores the past, present and future of scientific exploration on the world's most mysterious continent with a focus on announcing the latest discoveries on the issue of climate change. From Ernest Shackleton's first scientific expedition 100 years ago to today's scientists, old, new and yet unreleased data raise questions about what is happening on Antarctica and its impact on the rest of the world.

Driven by a passion fed from a life-long fascination with sharks, filmmaker Rob Stewart debunks historical stereotypes and media depictions of sharks as bloodthursty monsters and reveals the reality of sharks as pillars in the evolution of the seas.