Some things are so rare that very few people have had the chance to see them, so we've compiled a selection.
Imagine if, for example, you found a pink pineapple or a giant Snickers. From natural phenomena to man-made items, people across the world have been snapping and sharing their weird find.
Here are 20 photos that are sure to spark your curiosity!
1. One for chocolate-lovers!
2. Tools used for the maintenance of a dam
3. Ever seen an electric blue wasp?
4. This has to be genetically modified...
5. The shadow cast by the Blue Mountains in the USA
6. When you remove a TV screen
7. Because one is better than two?
8. A potato mountain
9. A cookie factory!
10. A dinosaur footprint
11. A giant pear
12. And a giant pumpkin
13. This Ponderosa lemon weighs over a pound!
14. A mid-20th century survival kit from Finland
15. A ginormous cactus
16. A sky that's perfectly clear and clouded over at the same time!
17. Arachnophobes look away now!
18. A wasp stinger under a microscope
19. A tree in Buenos Aires that's 300 years old
20. A pigeon with a mohican!