1. Blue ice...the stunning result of snow falling on a glacier becoming compressed

2. Not a branch. It's a mammoth tusk unearthed from the ground

3. Not Legoland.It's a housing complex in San Buenaventura, Mexico

4. This looks like a piece of art, but it’s a honeycomb

5. An infrared photo of a garden. This is how a bee sees

6. This giant cactus, Pachycereus weberi, is native to Mexico and southern Arizona

7. This is what smoking does to your curtains

8. The stunning blue-ringed octopus, one of the most dangerous marine animals out there

9. A homeless man sets up a temporary abode in Los Angeles

10. The Iraqi Marshes: an aquatic landscape in a desert climate

11. A 27,000-year-old hand print discovered on the rocks of an Indonesian island

12. Looks like a tattoo? They're scars left after being struck by lightning

13. Bangledeshians get creative: a floating bridge made out of dinghies

14. What a difference a century makes: the daily commute, then and now

15. Like ebony and ivory, lavender and wheat fields grow side by side in perfect harmony

16. Barely seen ili pika (Ochotona iliensis), a shy mountain animal from China recently spotted for the first time in 20 years

17. A rare sight: a sunset and eclipse at the same time

18. An ice cave formed by volcanic hot springs

19. Stuyvesant Town is Manhattan's largest apartment complex

20. Not something you see everyday: lightning and a rainbow

21. A cloud formation above the sea in Holland State Park, Michigan

22. A bird’s-eye view of Dubai in the United Arab Emirates

23. To get an idea of how large the comet 67P/Churyumov Gerasimenko is, it has been rendered next to a city