Blue ice...the stunning result of snow falling on a glacier becoming compressed
Not a branch. It's a mammoth tusk unearthed from the ground
Not Legoland.It's 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
This is what smoking does to your curtains
The stunning blue-ringed octopus, one of the most dangerous marine animals out there
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
Looks like a tattoo? They're scars left after being struck by lightning
Bangledeshians get creative: a floating bridge made out of dinghies
What a difference a century makes: the daily commute, then and now
Like ebony and ivory, lavender and wheat fields grow side by side in perfect harmony
Barely seen ili pika (Ochotona iliensis), a shy mountain animal from China 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 in the United Arab Emirates
To get an idea of how large the comet 67P/Churyumov Gerasimenko is, it has been rendered next to a city