AKRON, Ohio — They are hidden in plain sight just about anywhere you might wander.

In an exam room at Akron Children's Hospital.

Just outside the entrance to Marc's in Cuyahoga Falls.

Tucked on a shelf in the dog food aisle of Walmart in Brimfield Township.

They are rocks, but not your garden variety that everyone takes for granite.

They have been painstakingly painted — some with whimsical designs of cartoon characters, others with landscapes that would make the Old Masters proud — with the hope that someone will find them and then rehide them for someone else to find.

And the ranks of these rockers continues to grow, as does the number of creative rocks left behind yet to be found.

There's even a Facebook group — one of many — called Northeast Ohio Rocks that is dedicated to the sport of creating rocks and tracking where they end up.

Most of them bounce their way around Northeast Ohio or end up on a shelf in the finder's home. But some stow away on family vacations and end up in places like Las Vegas or Pigeon Forge.

Some skip their way across oceans — thanks to the finder — to be left in exotic destinations like Peru or Europe.

Don Thorn shows some of the rocks he has painted before placing them around Springfield Lake on April 20, 2018, in Springfield Township, Ohio. (Karen Schiely/Akron Beacon Journal/TNS)

Credit: Karen Schiely

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Credit: Karen Schiely

So many artists

So just who are the "artists" behind these rocks? They come from all walks of life, from kids to adults to senior citizens.

One such artist is Don Thorn who lives in Akron's Ellet neighborhood. He became hooked when he stumbled across a painted rock while walking the trail around Springfield Lake.

As a retired machinist, Thorn said, he had some time on his hands and he has always dabbled in photography and painting, so this looked like something fun to do.

He was a follower of the old Bob Ross show on PBS, where the crazy-haired artist would share his secrets to simple painting. So it is no wonder that the rocks that Thorn specializes in are landscapes.

Over the past year or so, he figures he has painted and hidden some 70 rocks.

Like others in the craft, Thorn glues a piece of paper on the back of the rock that advertises the group's Facebook page and also lists his hashtag #Dthorn61 so he can keep track of where his artworks end up.

Don Thorn talks about painting rocks before placing some around Springfield Lake on April 20, 2018, in Springfield Township, Ohio. (Karen Schiely/Akron Beacon Journal/TNS)

Credit: Karen Schiely

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Credit: Karen Schiely

"People tell me more than likely those who find my rocks are keeping them," he said. "My rocks are pretty detailed."

So far, a healthy handful of Thorn's rocks have been picked up, and the finders have posted photos on the Facebook page.

One rock was found twice in the same day, starting out at a bank in Mogadore then moving to a park in Medina County's Seville.

Thorn uses layers of paint to make his creations and lets them dry. He then seals them with a clear spray so they can withstand whatever Mother Nature has to offer.

It's a way to pass the time for him rather than sitting around watching TV.

"This is a lot of fun," he said. "It is very therapeutic for me. Just sitting around the house all winter I would have probably gone crazy."

Thorn said he has as much fun hiding rocks for others to find as he does finding one left behind by a fellow enthusiast.

"I've found some rocks that I wanted to keep but I didn't," he said. "I want to spread the joy."

Coolest thing ever

The sentiment is shared by Sue Bauman.

The Uniontown resident found a painted rock about a year ago and thought it was the "coolest" thing ever, so she decided to give it a try.

She painted as a hobby and raises Monarch butterflies, and this is just one more extension of her artistic side.

Bauman said she too likes to do landscapes but also dabbles with kid-friendly designs, because it is so much fun to leave one along the trail at the Springfield Bog then watch from a distance as a child finds it.

"That is the warm fuzzy feeling in all of this," she said.

Like others who paint rocks, she admits it can become a bit addictive. She started by picking up nice small flat rocks around her property that would provide the perfect canvas.

Sue Bauman places a painted rock at the Springfield Bog Metro Park on April 20, 2018, in Springfield Township, Ohio. (Karen Schiely/Akron Beacon Journal/TNS)

Credit: Karen Schiely

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Credit: Karen Schiely

"I quickly ran out of rocks," Bauman said.

Painters have to become creative when searching for stones. Visits to stream beds or beaches are a good source for small flat rocks, as are local craft stores or even striking up a friendship with the owner of a landscaping company.

Bauman also has a hashtag #rowenalouise to track the whereabouts of her rocks.

While on vacation in Hilton Head, she left one behind and followed online its trek to an island in Georgia.

"It is fun to be a part of something where you are asking people to pay it forward," she said.

And for Bauman, there's the thought that someone might be going through a rough stretch and finding one might make a difference in their life.

"This is all about creating smiles," she said.