Grand Prismatic Spring, Yellowstone National Park, Wyoming, USA 20 Apr 2024

If you are ever in Wyoming, USA, you might want to visit Yellowstone National Park, which was the world"s first national park. Established in 1872 after the Protection Act was signed by the then president of the United States, Ulysses S. Grant, the park is known for its flora, fauna—including Rocky Mountain wolves, and grizzly and black bears—super volcano and many geothermal features, including the one we see in today"s image. The Grand Prismatic Spring is in the Midway Geyser Basin. Its display of colours is caused by microbial mats, multi-layered sheets of microorganisms, ranging from deep blues and greens to fiery oranges and reds. There is so much waiting to be explored out there, so gather your friends, and get out into the wild.

© XIN WANG/Getty Images

palette

Today in History

A legend sprung from the ground
20 Apr 2025Happy Easter!

More Desktop Wallpapers:

Hovering over harmonious horticulture
Dad on duty
13 Apr 2025Songkran—Thai New Year
A legend sprung from the ground
27 Sep 2024Basilica of Santa Maria della Salute, Venice, Italy
11 Nov 2025Externsteine in the Teutoburg Forest, North Rhine-Westphalia, Germany
Cool bloomers
10 Apr 2025Wales Millennium Centre, Cardiff, Wales
A record-breaking reign
A fox in the dunes
15 Dec 2023SantaPark, Lapland, Finland
23 Apr 2025Saint Georges Day
10 Jun 2025Everglades National Park, Florida, United States
On a dark and stormy night...
3 Mar 2025World Wildlife Day
15 Mar 2025Ides of March
24 Mar 2025Sydney Harbour, New South Wales, Australia
18 Dec 2023Capitol Reef National Park, Utah, USA
10 Feb 2026Es Vedrà and Es Vedranell, Ibiza, Spain
Meet for lunch?
Teddy bears of the sea
15 May 2025Palace of Westminster, London, England
Guarding the pass
27 Feb 2024International Polar Bear Day
Where are these spectacular peaks?
5 Jul 2025Pride in London
24 Jan 2026Big Garden Birdwatch
23 Oct 2023Corn maze in Saylorsburg, Pennsylvania
A rainbow that’s worth the rainfall
Living rock