These prisons house some of the world's most notorious criminals. But battles rage behind their walls, oftentimes leaving inmates susceptible to torture, disease and even death. These are some of the worst prisons on the planet.

By Cherise Threewitt, Rachel Despres & Nicole Antonio

Maybe you're out in the wild and trying to identify some scat on the trail, or you're the new owner of a pet snake. Maybe you're just a curious sort. Either way, you're wondering, "What does snake poop look like?"

By Zach Taras

We've all been there: Spooky season has arrived, and you don't have any costume ideas for Halloween. Whether you're a casual fan of the holiday who is looking for a good Halloween costume, or a long time devotee of All Hallow's Eve who wants to top last year's effort, we've got you covered with some great Halloween costume ideas.

By Zach Taras

The fox snake is often misunderstood, but it plays a vital role in its ecosystem. Fox snakes are large, nonvenomous and native to the Great Lakes region, where they help keep rodent populations in check.

By Mack Hayden

The elephant trunk snake is one of the most unusual reptiles out there. Native to Southeast Asia, this fully aquatic snake is known for its distinctive appearance, with loose, baggy skin that gives it a texture reminiscent of an elephant’s trunk — hence the name!

By Talon Homer

There's a whale of a difference between the United Kingdom and Great Britain. But whatever you do, don't call someone from Scotland "English."

By Dave Roos

Persephone, the wife of Hades, lived one-third of the year in the Underworld with him and the other two-thirds of the year on Earth with her mother, Demeter. Pomegranate seed, anyone?

By Michelle Konstantinovsky

Calling all nice guys and bad boys! Whether you own a black leather jacket or a pair of "Harry Potter" glasses, this dating "type" quiz will determine how chivalrous (or nonexistent) your manners are!

By Talin Vartanian

Will you be a CHAMPION, or BITE THE DUST with this crazy Queen quiz? What are you waiting for? Get over here and PLAY THE GAME to find out how big of a Queenie you actually are.

By Lauren Lubas

Discover Leo and Taurus compatibility! Explore how this fire and earth sign balance passion and stability, and learn the secrets to their lasting relationships.

By HowStuffWorks

Is Libra an air sign? Learn how Libra’s air element influences its charm, intellect, and balance in relationships. Explore the traits shaped by this zodiac's element.

By HowStuffWorks

Are you ready to take your seat at the High Table, or are you going to be rendered excommunicado? Will you need to spend some gold coins to pass this quiz or go for the big guns and take out a marker? If you think you know John Wick, load up and take the quiz.

By Ian Fortey

Libra and Capricorn compatibility blends charm and ambition. Discover how this air-earth duo balances romance and practicality in love, friendship, and relationships.

By HowStuffWorks

"SANTA!!! Oh my god!! ... I know him!" is just how this quiz begins. Only true fans of holiday entertainment can pass this quiz? Do you think you have a shot?

By Lauren Lubas

Howdy, partner! Step off the horse and have a sit by the fire. After you tell us about yourself, we will be able to give you a cowboy name that even John Wayne would love. Now, saddle up, and get along, little doggie!

By Teresa McGlothlin

Most of us drive cars to get to work, go shopping and visit friends. But how much do you actually know about the vehicle you drive each and every day? Start your engine, hit the gas and get ready to take our challenging car quiz to find out.

By Kale Havervold

"Dance Moms" is one of our guilty pleasures, and as much as we like to laugh at the people on the show, we would do the same if it were our kids. Which of the moms are you most like? This quiz will tell you!

By Khadija Leon

You might know what animal is the mascot of your soul, but do you know what color your aura would be? Our scientific quiz reveals the spectrum of your soul!

By Tori Highley

Everyone has a soul, and every soul has an element that keeps you connected to the universe. Which of the four elements does your soul use to make it through life? Find out!

By Teresa McGlothlin

Nutty Putty Cave, near Salt Lake City, Utah, was discovered in 1960 and sealed up forever in 2009. But why?

By Dave Roos & Austin Henderson

Discover the profound 555 angel number meaning. Uncover its significance in numerology and its impact on your life. Explore now.

By HowStuffWorks

Virgo and Gemini compatibility combines intellect and practicality. Discover how their analytical minds and curious natures create a unique, stimulating bond in relationships.

By HowStuffWorks

Unlock the mystical 111 angel number meaning! Dive into divine messages of new beginnings, manifestation, and spiritual alignment. Decode 111 now.

By HowStuffWorks

Discover the profound 333 angel number meaning, symbolism, and significance in your life. Uncover its spiritual insights today.

By Jonathan Strickland, Melanie Radzicki McManus & HowStuffWorks

Skinwalkers blur the line between human and beast. They're shape-shifting magical beings that belong to the Navajo spirit world. But how does one become a skinwalker?

By Robert Lamb & Desiree Bowie