Ominous B&W images of planet Earth

Gallery discovers early work under layers of paint

Less is more with Michael Katz's tiny, affordable prefab

Google Street Views, as curated by Montreal artist

Misty abstraction from Portland-based photog

Immersive maps works navigate imagination and memory

"Melting Vitruvian Man" draws attention to vanishing sea ice

Nature reigns supreme in epic pics from Brit photographer