Fritz Haarmann's killing spree lasted from 1918 to 1924 and claimed 24 confirmed victims, though he admitted to murdering dozens more.

According to legend, the death worm can shoot electric shocks strong enough to kill a man.

The peaceful revolutionary had some pretty strange — and at times, troubling — habits and beliefs.

Best known for inspiring Aladdin's genie, jinn are shape-shifting spirits dating back to pre-Islamic Arabia. They are said to haunt the world to this day.

From their bizarre toilet paper to their horrific torture devices to their controversial sexual customs, here's everything about Ancient Greece that doesn't tend to show up in history textbooks.

Archaeologists found accessibility ramps featured in many temple designs and at healing sanctuaries.

There are 26 species of megabats in the Philippines, but the giant golden-crowned flying fox is the biggest of them all.

Apple cider vinegar has many benefits and uses. It can be used to improve health, weight, skin and hair, as well as cooking, cleaning and more.

If I can't eat it, I won't put it on my skin—if something is toxic for my belly, I'm not about to rub it all over the biggest organ of my body (the skin).

The most brutal genocide you've never heard of.

The scientist who first discovered this new glass sponge gave it the name Advhena magnifica, or magnificent alien.

It cost $200 million to create. But now it sits empty.

It’s nothing to do with money.

The Lake Isle ft. Tenebrae

There is a lesson in the words for all of us.