The scars left by cataclysms look oddly beautiful from the air.
Smoke from wildfires billows over Crater Lake, Arctic sea ice isn't up to years past and fall colors pop in Siberia.
Some of the oddest sites on our planet are below the surface.
Step right up, folks, and witness the amazing shrinking continent before it's too late.
These places look alien, but they're actually on Earth.
This week: A terrifying pathway in Spain, Greenland lakes that drain in hours and a spacecraft spots the first night-shining clouds of the season.
Photographer Steve Axford captures amazing, sometimes eerie, views of mushrooms and other fungi.
This week: A special Earth Day planet pics looks at the world's largest desert, a massive iceberg on the move and a deep ocean dive where you can ride along.
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