See 35 beautiful photos of Canada's pristine areas such as Banff, British Columb

National Geographic, in its objective to spread geographic knowledge and nature around the world, gives you this wonderful National Parks Screensaver full of images of North American parks.

National Geographic Custom Screensaver won`t leave anyone indifferent. It is a National Geographic screensaver that offers high quality images with themes like nature, landscapes, the animal world, cities, etc.

NEW! A House Divided: Civil War screensaver. Images from the National Archives. A historical screensaver presentation of civil war images, presenting over 80 rare photographs from the National Archives, rich stereo music, and 50 transitions.

It contains many national flags and ability to set up flag with your logo, photo, emblem of a football team and any picture you want. Also you can insert your hymn.

From National Geographic comes this Visions of Space screensaver, made up of diverse images in which you can observe space from a different point of view to the usual.

Rain Forests Screensaver is made up of diverse images of forests from around the Earth.National Geographic attempts to spread knowledge of the world through media like this Rain Forests Screensaver.

This nature screensaver packs over forty STUNNING HIGH-RESOLUTION PICTURES of such world-renowned sites as the Grand Canyon, Death Valley, Yosemite, Yellowstone, and more. Escape the daily routine and be transported to these spectacular places!

Many people maybe don?t know, but there are telephone lists of dangerous numbers, of those you shouldn?t call ever, mainly for security reasons.

The Upper Yosemite waterfalls are one of the most attractive of the Yosemite National Park, in the USA, together with their enormous vertical rock walls.