25 Scariest Things On Earth You Probably Haven’t Realized

Posted by , Updated on February 14, 2024

By now you probably know that the world is a much scarier place than you thought it was when you were a kid. We all start out seeing things through rose colored glasses and this changes rapidly as we age. Depending on how introspective you are, you may or may not have ever considered today’s topic regarding the scariest things on Earth.

For those of you who like to spend time lost in your thoughts, we are almost sure that you have already asked yourselves, “what is the scariest thing in the world?” Questions like this go right along with “what is the worst way to die?” or “what is the most painful experience you could possibly ever have?” While these aren’t exactly uplifting questions, and they certainly won’t help you sleep at night, they can be interesting in a very twisted kind of way.

For those of you who have never given this any thought, that’s good. You are probably better off for it. Feel free, however, to continue reading so that you can find out exactly what you’re not missing. Or at least you can shake up your mundane day a little bit. So let’s get to it, these are 25 Scariest Things On Earth You Probably Haven’t Realized.



Featured Image: pixabay


Elephant's foot

Elephant's footImage: wikipedia, Source: wikipedia

No, not a real elephant’s foot. We’re talking about a radioactive lava flow beneath the Chernobyl reactor. It is shaped like an elephant’s foot and just looking at it can kill you due to the radiation. In fact, most images we have of it were taken by robots.



HogweedImage: wikipedia, Source: wikipedia

Just touching this plant can give you third degree burns.



dropbearImage: commons.wikimedia

The drop bears are particularly vicious (google it).


Locked-in Syndrome

nightmareImage: Shutterstock Source: wikipedia

Imagine being trapped in your body, fully conscious, but unable to move. A truly frightening medical condition typically caused by stroke, patients are fully aware of their surroundings but are unable to respond in any way outside of limited eye-movement.


Alzheimer's Disease

Alzheimer's DiseaseImage: thebluediamondgallery.com, Source: wikipedia

Watching people suffer with this disease is quite possibly the only thing worse than actually having it.


Nuclear warheads

Nuclear warheadsImage: wikipedia, Source: wikipedia, icanw.org

They have gotten so much bigger since Hiroshima and Nagasaki. As if that’s not bad enough, it’s estimated that nine countries possess up to 15,000 nuclear weapons combined. Yikes!



RabiesImage: wikipedia, Source: wikipedia

Except for a few people (all since 2004), nobody in history has ever survived rabies without a vaccine. Nobody.

Note: in 2004, something called the Milwaukee Protocol was developed. The patients who survived were all treated with this method, but there is still controversy over its effectiveness.


Organ harvesting

Organ harvestingSource: unicef

The most incredibly horrifying part is that some parents sell their kids just to make money off their organs.



ParasitesImage: wikipedia, Source: wikipedia

Not only will you become their dinner, you will become their cozy home. Usually you can get them through contaminated water, under-cooked or spoiled meat, and through transmitting agents such as mosquitoes.


Condition 1 weather in Antarctica

Condition 1 weather in AntarcticaSource: wikipedia

Condition 1 weather refers to the worst. You’re not even allowed to go outside. Visibility is almost 0, and you would freeze within minutes. To paint a picture, the inside walls of Antarctic research stations sometimes freeze.



AsteroidsImage: wikipedia, Source: wikipedia

If you knew how many near misses Earth has had, this would probably scare you more that it does.



DimethylmercurySource: wikipedia

This neurotoxin is no longer used in scientific studies because of how dangerous it is. It’s so toxic that a dose as low as .1 mL can kill you. Furthermore, it passes straight through latex, neoprene, PVC, and skin.



SupervolcanoesImage: wikipedia, Source: wikipedia

Yellowstone is actually a volcano big enough to destroy almost everything on Earth.


The deep sea

The deep seaImage: wikipedia

There are some crazy looking creatures down there: angler fish, goblin sharks, giant isopods…


Ice Crevasses

Ice CrevassesImage: pixabay, Source: wikipedia

One minute you’re there, the next minute you’re gone forever. Oftentimes, crevasses are completely covered in snow, kind of like a snow sinkhole.



PowerSource: psychologytoday

According to recent research, giving someone even a little bit of power decreases their ability to empathize. More power, less empathy.


Giant Squids

Giant SquidsImage: wikipedia, Source: wikipedia

They have eyes the size of basketballs, and reach lengths of up to 43 feet, which is slightly larger than a city bus.


The suicide plant

The suicide plantImage: wikipedia, Source: wikipedia

Known as Dendrocnide moroides, just brushing against this Australian tree causes so much pain that people have been said to kill themselves. And not just people – horses and other animals have allegedly run themselves off of cliffs following stings.


Amoebas that eat your brain

Naegleria fowleriImage: en.wikipedia, Source: wikipedia

These brain-eating amoebas are called Naegleria fowleri, and they live in warm freshwater. Be careful.


Vampire fish

candiruSource: wikipedia

Never urinate into the Amazon. If you do, vampire fish (candiru) might end up swimming into your bladder.



TimeImage: pexels

When you need more, you can’t get it. When you want less, you can’t get rid of it. You are at its mercy.


Fatal Familial Insomnia

Fatal Familial InsomniaImage: pixabay, Source: wikipedia

People with this disease lose the ability to sleep. There is no cure, and most patients die within 18 months.


Delta P

Delta PImage: wikipedia, Source: wikipedia

This is the pressure differential between two bodies of water (drains at the bottom of water towers, etc). These can be extremely dangerous to divers as they can suddenly suck them up against the drain if a leak occurs. Oftentimes, the diver will drown.


Resistance to antibiotics

Resistance to anti-bioticsImage: pixabay, Source: wikipedia

If your doctor tells you to finish the antibiotics…finish them. Even if you already feel better. If you don’t, the remaining bacteria will develop immunity. Many already have.



AneurysmsImage: wikipedia, Source: wikipedia

Even the healthiest 20 year old can die in seconds due to an aneurysm. Be glad you woke up today.