International Rock Day, on July 13, celebrates these hardy heroes, which have played a big part in human history since at least the Stone Age. They served as humanity"s first tools and as nature"s journals, protecting ancient fossils and documenting changes caused by geological processes.
International Rock Day
Today in History
More Desktop Wallpapers:
-
Aerial view of the Colorado River Delta in Mexico
-
One giant leap for penguins
-
Uncommon clouds are gathering
-
Ring of fire
-
A Latino art exhibition in Denver
-
Mossy Grotto Falls, Oregon
-
Valley of Fire State Park, Nevada
-
Honoring our fallen heroes
-
Where the bearded reedling sings
-
The Crown Jewel of the North Atlantic
-
India Republic Day
-
In the Navajo Nation for Code Talkers Day
-
New beginnings
-
It s Star Wars Day
-
Saffron in bloom
-
A peak in the clouds
-
Does this shark have an Irish accent?
-
Cecropia leaf and lobster claw petals in Mexico
-
The scene of a literary crime
-
Maybe we should be looking up
-
How do ladybugs winter?
-
Here, fishy!
-
Juneteenth
-
Maloja, Switzerland
-
A plot was afoot
-
Kiteboarding and windsurfing in Croatia
-
Diamond Beach, Iceland
-
International Museum Day
-
Is that a face in the sand?
-
Hanging out on a limb