The Heaviest Monster in Earth's History Was a Snail

The Longest Summer in Earth's History Created Nightmare Creatures

The Ice Age You've Never Heard Of — Older Than the Dinosaurs

Everything Jurassic Park Told You About Velociraptor Was Wrong

Too Perfect to Survive: Why Evolution's Best Designs Died First

Before the Dinosaurs: The Rise and Fall of the PALEOZOIC World

The Strange World of Dinosaurs You Were Never Meant to See

America's Most Boring Place Is Hiding 4 Buried Worlds

Every Monster That Ruled Prehistoric North America Through the Ages

The Monsters Hiding Under Kansas: Earth's Most Terrifying Ocean

The Supercontinent That Killed 90% of Life — Pangaea's Dark Truth

500 Million Years of Nightmares: How Asia Made the Strangest Creatures on Earth

After the Dinosaurs, THIS Monster Became King of the Ocean

For 500 Million Years, These Monsters Owned the Ocean

The Day The Sea Died — Earth's Forgotten Mass Extinction

The Jurassic — The Worst Place Any Animal Ever Had to Survive

The Deadliest Kings of the Ocean Died 30 Million Years Before the Asteroid

What Human Life Was Really Like 900,000 Years Ago — Almost Beyond Imagining

The 5 Absolute Worst Times To Be Alive in Earth's History

The Largest Carnivorous Dinosaurs In History — And T. Rex Isn't One of Them

The Strangest Creatures to Ever Rule the Earth Came AFTER the Dinosaurs

You Are Weaker and Dumber Than a Caveman

The Most Dangerous Place That Ever Existed on Earth

The 2-Million-Year Rain That Handed Dinosaurs the Entire Planet

The 255-Million-Year-Old Killer That Walked Across the World to Take a Throne

When Plant-Eaters Were Deadlier Than the Predators

22 Million Years of Endless Summer: The Savage Earth You Were Never Taught About

How the Atlantic Ocean Drowned an Entire Lost World Overnight

225 Million Years: The Complete Story of the Dinosaurs

Before Fire: The Terrifying Truth of Early Human Survival

The Nightmare Continent: Why Prehistoric Brazil Was Earth's Deadliest War Zone

The ONLY Predator That Made Megalodon Tremble in Fear

A Real Nightmare: Primal Africa and Its Terrifyingly Strange Beasts

Not Slaves. Not Aliens. The Real Story of Who Built the Great Pyramid

You Shouldn't Be Alive: How the Weakest Creature Ruled the Ice Age

What Happens When Evolution Runs Wild in Isolated Australia for 30 Million Years?

How This "Defenseless" Dinosaur Outsmarted Deadly Predators!

This Creature Towers Over the T-Rex and Eats Them Whole

The Entire Dinosaur Extinction Explained (Minute by Minute)

The Bizarre Triassic Monsters That Made Dinosaurs Look Normal

Total Wipeout: The Apocalypses That Almost Killed Earth

The REAL Reason Pangea Was Earth's Deadliest Era Ever

What Really Happened To Our Ancestors During Those LOST 294,000 Years? Untold By History

When Mammals Became MONSTERS and Replaced the Dinosaurs: Earth's Most BRUTAL Era

The Entire Process of Human Evolution Explained in JUST 1 Hour

The Human Species That Shouldn't Exist

The Island Where Humans Were Hunted Like Animals... It Was A Terrible Time To Be Human

ZERO Hiding Spots: What Lurked Beneath America 90 Million Years Ago?

4.5 Billion Years of Earth's History in JUST 1 Hour | Full Documentary

The Slaughter of Two Continents Wiped Out the World's Coolest Prehistoric Monsters

Why Earth's Smartest Species Lived Only 12 Years? The Brutal Reality of the First Humans

6 Prehistoric Nightmares That Could Easily Kill a Tyrannosaurus Rex

When Giant Bugs Ruled the Earth: The Most Dangerous Era on Earth

The 74,000-Year-Old Monster That Killed 99% of Our Ancestors

The Ice Age’s Biggest Lie: What REALLY Killed the Mammoths? Rain Wiped Out an Entire Continent?

The "Triangle of Death": 3 Jurassic Monsters That Made Earth a Living Hell

No Arms? A T-Rex Sized "Duck"? Dinosaurs That Should Not Exist

Why Dinosaurs Survived the Impact... But Still Died?

Island of Death: The Place Where Flying Monsters Ate T-Rex Whole

Congo River Monster: The Truth About The "Dinosaur" That Survived To This Day?