Arches
The Arches Screensaver shows images of stunning arches, amazing rock formations and beautiful settings from the Arches National Park in Utah. Visit this national park without leaving your computer! This screen saver contains 35 amazing images.
http://www.soft2d.com/graphics_&_m...eensavers/files/arches30trial.exe - 1Mb - Download - Screenshot

Natural Arches
Natural Arches features beautiful scenes of spectacular natural stone arches presented for your desktop enjoyment. The pictures are accompanied by an acoustically based digital soundtrack, and all images are captioned. The advanced screen saver engine includes a Wallpaper feature allows you to... Images in the screen saver include: remote and stunning views in the heart of the canyon country of the Colorado Plateau and the Rocky Mountains. ... , Stretched to fill the screen, Tiled with multiple images to fill the screen, or the original size of the selected image.
http://www.imagedancer.com/ScreenSavers/naar_2.exe - 4Mb - Download - Screenshot

Amazing Mountainscapes
This screensaver shows stunning images of beautiful and breath-taking mountain scenes. Take in the grandeur of snow-covered peaks, glacier lakes, pine forests, sandstone arches, mountain meadows, and cloudscapes without leaving your computer. This screen saver contains 32 amazing images.
http://www.soft2d.com/graphics_&_m...eensavers/files/amamou30trial.exe - 2Mb - Download - Screenshot

365 National Parks Screen Saver
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,... com screen savers come with STICKY NOTE support so you can leave an on-screen message while you are away from your computer and WALLPAPER support so you can use any screensaver image as your desktop background.
http://365multimedia.com/cart/download~asp-shareware~nps.exe - 8Mb - Download - Screenshot