He uses it to "just 'walk' around other cities, find funny street names, look at landmarks, people watch," he tells Business Insider. "One search lead to another and I wound up on the beach in southern France."
That's when he noticed his first Photo Sphere masterpiece.
Photo Spheres are 360-degree photos that users can upload to Maps. But William's realized that when the images got stitched together, they could often create some wild, unintentional images.
Check it out: