Decorate your desktop with some of the most intriguing pattern and perception images from the Exploratorium.

In celebration of our 40th Anniversary, we're opening our image archives to provide a unique selection of free downloadable wallpaper. New photos will be featured every month, so check back regularly!

INSTRUCTIONS
Click on an image from the gallery, choose the size you want, and use the instructions below to download to your PC, Mac, or iPhone.

1024 x 768 (Medium monitors)
1280 x 800 (Larger monitors)
320x480 (iPhone)

PC Users

1. Choose the size of your image (above)
2. RIGHT-CLICK on the image after it appears in your browser
3. Select SET AS WALLPAPER or SET AS BACKGROUND
4. Make any adjustments needed to the DISPLAY in your CONTROL PANEL

MAC Users

1. Choose the size of your image (above)
2. RIGHT-CLICK (control-click) on the image after it appears in your browser
3. Select SET AS DESKTOP BACKGROUND
4. Make any adjustments needed in SYSTEM PREFERENCES

iPhone Users

1. From your iPhone, click the size image you want to download
2. Hold your finger on the image until OPTIONS pops up
3. Choose SAVE IMAGE
4. Locate the image in your CAMERA ROLL
5. Select USE AS WALLPAPER
6. Make any adjustments in your SETTINGS