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Video
Death Valley: One of the Most Extreme Places on Earth (02:26)
Why Is This Lizard Doing Push-Ups? (01:47)
How America's Public Parks Were Born (01:50)
Is Donald Harvey the Most Prolific Serial Killer in America? (03:34)
Does 'The Last Supper' Really Have a Hidden Meaning? (04:03)
The Incredible Things a Hammerhead's Nose Can Do (01:24)
Hammerhead vs. Stingray (02:25)
How Did a Grizzly Bear Get on California's Flag? (03:22)
The Egyptian Pharaoh With the Biggest Ego (02:33)
How Do Your Checked Bags Actually Get on the Plane? (02:36)
What Ultra High Speed Penguin Footage Reveals About Pliosaurus (02:51)
The Colonial Settlement That Vanished Into Thin Air (02:10)
Ways to Avoid Losing Oxygen in a Submarine (02:30)
These Gentle Giants Would Rather Be Left Alone (02:17)
This Man Controls the Ways You Walk in Airports (02:47)
Did Atlantis Really Have Indoor Plumbing? (03:36)
Muhammad Ali's Brother on Racism and the Medal Myth (01:37)
This Is Martha, the World's Last Known Passenger Pigeon (02:48)
The Entire Bay of Santorini Is an Active Volcanic Crater (03:31)
The Civil War Prisoner Camp That Became a Place of Horror (03:19)
How the Largest Flying Bird of All Time Stayed Airborne (03:55)
The One Place JFK Felt He Could Be Alone (01:23)
How 60 Million Bison Became 1,000 in a Century (02:27)
A Breathtaking 110-Mile Alaskan Railroad Built in Two Years (01:22)
The World's First Camels Roamed...South Dakota? (01:42)
The Three Ways to Test if Something Is Truly Solid Gold (03:09)
What the Oregeon Trail Looks Like Today From Above (02:10)
Scorpions Choose Their Mates by Dancing With Them (02:11)
Magnificent Leaf Homes Woven by Australian Green Ants (02:50)
What's the Waggle Dance? And Why Do Honeybees Do It? (02:49)
The Spectacular Draw of Devils Tower National Monument (01:17)
Can Tree Rings Explain the Demise of a Lost Civilization? (02:19)
