Wallpaper Calendar
For each month in 2025, we will post a wallpaper calendar for you to download to give your desktop a fresh look. At the end of each month, the image will be retired to the wallpaper collection without the calendar.
Instructions on how to make a picture your computer's wallpaper.
March 2025
This urchin was seen in 2017 at a depth of 382 meters (1,253 feet) while exploring the West Florida Escarpment. Image courtesy of NOAA Ocean Exploration.