observe stunning astronomical objects through the infrared eyes of the nasa spitzer space telescope. this space screensaver is jam-packed with over forty mesmerizing pictures of star clusters, spiral galaxies, planetary nebulae, radiant supernovae, flying comets, star forming regions, magellanic clouds and more. let your imagination soar as you uncover the mysteries of the universe! use any screen saver image as your desktop background too.

journey through the irish countryside and wonder at its legendary landscapes, mystic places, and historical landmarks. this nature screensaver shows over forty high-quality photographs highlighting ireland's lush green scenery, rugged coastline, prehistoric dolmen sites, mysterious stone circles, ancient castles, and more. don't wait, give your pc an extreme celtic makeover today! use any screen saver image as your desktop background too.

bring the great outdoors to your computer screen and marvel at the breathtaking views of north america's national parks. this nature screensaver packs over forty stunning high-resolution pictures of such world-renowned sites as the grand canyon, bryce, death valley, yosemite, yellowstone, zion, arches and more. escape the daily routine and be transported to these spectacular places! use any screen saver image as your desktop background too.

transform your pc into a pair of binoculars and observe some of america's most beautiful birds. this animals screensaver presents over forty amazing colorful pictures of the bald eagle, brown pelican, california condor, green-back heron, cormorant and many other birds. experience the calm and serenity that comes once you disconnect from the feeling that you have to "do" something! use any screen saver image as your desktop background too.

join nasa astronauts as they carry out their mission aboard the space shuttle. this space screensaver is loaded with over astounding images images featuring lift offs, space walks, satellite deployments, rendezvous with mir and the international space station, hubble space telescope servicing, landings, and much more. get some rocket fuel for your mind and gain a new perspective on life! use any screen saver image as your desktop background too.