My Little Dumb Brain Is Totally Blown After Seeing These 23 Absolutely Fascinating Pictures For The First Time

These are some absolutely incredible shots.

1. This is what the end of 13,000 miles of the Great Wall of China looks like:

NBC Newswire / NBC Newswire / NBCUniversal via Getty Images

This is the eastern end of the wall, at the Yellow Sea.

2. This is how big a giant squid is compared with a human being:

Barry Durrant / Getty Images

3. This adorable little thing is a hummingbird's feather:

u/isaytyler / Via reddit.com

So small.

4. This is what an elephant's tail looks like close up:

Jacobeukman / Getty Images/iStockphoto

5. And this is what one of those tail hairs looks like up close:

Thanh Nguyen / AFP via Getty Images

6. Pilots get special cups on airplanes:

u/LosingWeekends / Via reddit.com

This, according to aviation-enthusiast forum Aviation Stack Exchange, is because these cups need to be fitted with lids so liquid doesn't spill all over the machines in the cockpit.

7. This is what a completely empty CVS store looks like:

u/bcjh / Via reddit.com

8. This is what the Mayan temple at Chichen Itza looked like before it was restored:

Désiré Charnay / Via digitalcollections.nypl.org

9. And this is what it looks like today:

Marte Rebollar / AFP via Getty Images

10. This man, Gay Jewel, was declared the "world's heaviest man" in 1899:

Universal History Archive / Universal Images Group via Getty Images

According to the Strand Magazine, he loved to play the violin and make others laugh.

11. Have you ever looked closely at the backs of a cat's legs? There are whiskers there called carpal whiskers:

u/canoworms76 / Via reddit.com

12. In 1966, a blizzard in North Dakota saw snow drifts reach up to 40 feet. This is what that looked like:

Science History Images / Alamy Stock Photo

13. This is a record of everyone who died and how they died in London during one week in 1665:

Photo 12 / Universal Images Group via Getty Images

Some...uhhh...interesting ones there.

14. A fire alarm is...just a switch!

u/voidzero / Via reddit.com

It makes sense, but man, who'da thunk it?

15. Black paper towels exist:

u/b4da55 / Via reddit.com

We call them goth paper towels around here.

16. This is what a 30-year-old cat looks like:

Barry Batchelor — PA Images / PA Images via Getty Images

This surly old fella is Spike, who held the title of the world's oldest cat back in the early 2000s. That, according to a "cat age calculator" I googled, is 136 in human years.

17. Lemons float, limes sink. LEMONS FLOAT, LIMES SINK!

u/verygoodwood / Via reddit.com

18. See that little hole there? This is what Mount Vesuvius looks like from space:

Space Frontiers / Getty Images

19. This enormous disk is what 10 MB of data looked like in the 1960s:

u/sixfivezerotwo / Via reddit.com

20. Deep scars don't bruise:

u/ghostofabanana / Via reddit.com

21. Some airports have bathrooms specifically for service animals. This is what they look like:

u/cesarosalad / Via reddit.com

22. This is a piece of uranium glassware, a special kind of glass that glows under a blacklight because of the uranium added when the glass was being made:

u/thesnapsh0t / Via reddit.com

23. And, finally, a normal-size piece of paper looks incredibly tiny when held by Shaq:

TNT