Blue ice, the stunning result of snow falling on a glacier and becoming compressed.
That’s not a branch: a mammoth tusk is unearthed from the ground.
Not Legoland: a housing complex in San Buenaventura, Mexico.
This looks like a piece of art, but it’s a honeycomb.
An infrared photo of a garden. This is how a bee sees.
This giant cactus , Pachycereus weberi, is native to Mexico and southern Arizona.
The stunning blue-ringed octopus, one the most dangerous marine animals.
A homeless man sets up a temporary abode in Los Angeles.
The Iraqi Marshes: an aquatic landscape in a desert climate.
A 27,000 year-old hand print, discovered on the rocks of an Indonesian island.
It looks like a tattoo. Scars left after being struck by lightning.
Bangledeshians get creative: a floating bridge made out of dinghies.
Like ebony and ivory, lavender and wheat fields grow side by side in perfect harmony.
What a difference a century makes: the daily commute, then and now.
This is the barely-seen ili pika, a shy mountain animal from China, who was recently spotted for the first time in 20 years.
A rare sight: a sunset and eclipse at the same time.
An ice cave formed by volcanic hot springs.
Stuyvesant Town is Manhattan's largest apartment complex.
Not something you see everyday: lightning and a rainbow.
A cloud formation above the sea, in Holland State Park, Michigan.
A bird’s eye view of Dubai.
To get an idea of how large the comet 67P/Churyumov-Gerasimenko is it has been rendered next to a city.