Adorable photos show penguins collecting pebbles painted by children in hospital. The practice, known as pebbling, marks the ...

The pet rock craze hasn’t come back to life from the 1970s. But maybe painted rocks will be the next trend. In Victoria Park, a neighborhood in Fort Lauderdale, mysterious artists are painting rocks ...

A painting of a kangaroo in Western Australia is the oldest known rock art in the country, according to scientists, who say radiocarbon-dating analysis shows it was created more than 17,000 years ago.

You can find them in area parks, on hiking trails, tucked into Little Free Libraries and even at Cancer Care Northwest facilities – small pieces of artwork, free to the finder. The popularity of ...