This video will take you to the Falkland Islands and Antarctica to meet over half a dozen species of penguins, plus a variety of wildlife which shares the penguin`s environment.

Travel with the IMAX team to the windswept waters of Argentina where duskies, the most acrobatic of all dolphins, work together in a beautifully choreographed hunt for food. Brimming with details about the complex lives of these fascinating mammals, this adventure film takes you to the very heart of the world of dolphins. Breathtaking cinematography documents fascinating behaviors, many presented for the first time on film. 89 minutes. Ages 8-adult. #DVD-12183. $19.95.

From the award-winning underwater director of Into the Deep, comes a magnificent expedition that takes you 300 miles off the west coast of Costa Rica to the remote and unique marine ecosystem of Cocos Island. Get up close and personal with the shark species of Cocos, and witness the other marine residents of the island, including marlins, dolphins and whales. Island of the Sharks will surround you with unbelievable schools of hammerhead sharks on the giant screen.

Each winter, alone in the pitiless ice deserts of Antarctica, deep in the most inhospitable terrain on Earth, a truly remarkable journey takes place as it has done for millennia. Emperor penguins in their thousands abandon the deep blue security of their ocean home and clamber onto the frozen ice to begin their long journey into a region so bleak, so extreme, it supports no other wildlife at this time of year. In single file, the penguins march blinded by blizzards, buffeted by gale force winds.

Resource for determining the size and shape of a sand sample.