Stream Now 
Shows
Chainsaw Carvers Turn Wood into Art on Competition Series A Cut Above
Aya Blaine | 18 years carving experience | New York, USA
Meet the Chainsaw Carvers of A Cut Above
The Browns Move Forward Despite Tragedy on Alaskan Bush People
Sig Hansen, June Hansen, Mandy Hansen holding baby, and Clark Pederson standing together.
Exploring Norway on Deadliest Catch: The Viking Returns
The Wolfpack Enters a New Era in Alaskan Bush People
End Game Crowned BattleBots' First Golden Bolt Champion
Close up of Tony Beets in car seat
The Gold Rush Mine Bosses Face Off Against the Next Generation of Miners
A Shocking Change is Coming to Gold Rush
After his horrible wreck, Justin Swanstrom gets a rebuilt Prenup to New England Dragway just in time for Great Eight round two.
Welcome Back to the STREET OUTLAWS: NO PREP KINGS Track
Ryan Martin puts down some rubber.
Ryan Martin Attempts to Make STREET OUTLAWS: NO PREP KINGS History
See All Shows
DNews
Channel Islands: A Tale of Two Worlds
Close up of Galapagos giant tortoise in San Cristobal, Galapagos Island.
Galápagos Giant Tortoises Are Mysteriously Turning Up Dead in Ecuador
3D low poly green plant HUD UI display. Future polygonal triangle point line ecology problems solution abstract biology genome engineering vector illustration future business technology.
Supertrees That Suck Up More Carbon Could Be Forest Climate Fix
A young coastal brown bear cub lays on a beach waiting for mom to catch fish in Alaska
Baby Bear Takes a Trip on Hallucinogenic ‘Mad Honey’
Hero Rats Are Being Trained to Rescue Earthquake Survivors
Further upstream the river becomes more trout friendly. This is an example of what a restored LA River might look like, with trees and pools for fish to hide in as they migrate up and downstream.
Can the Los Angeles River be Restored?
The LA River where it meets the Pacific Ocean in Long Beach, California. This is the entry point for migrating steelhead salmon that would hope to return to their spawning grounds in the mountains above Los Angeles. This marks the start of a nearly 40 mile journey upstream, though barriers above prevent a successful migration.
Helping the Los Angeles River Change Course
The Fascinating Plants of Mount Latimojong
New Zealand's Sea Lions Have Returned: Crashing Soccer Games, Golf Courses, and Public Pools
Scarlett wants to know - now that you’ve discovered all the ways Georgia Aquarium is showing kindness - how will you celebrate #WorldKindnessDay?
Spreading the Love for World Kindness Day
See All DNews
Nature
Channel Islands: A Tale of Two Worlds
The Island Fox yawns in the Scorpion Canyon Campground on Santa Cruz Island in Channel Islands National Park. The fox only lives on six of the eight Channel Islands and is the apex predator. The Island Fox hears when boats arrive and heads toward campgrounds to look for food left behind by visitors.
Experiencing the Channel Islands by Land and Sea
Florida manatee, West Indian manatee, Trichechus manatus latirostris, Crystal river, Florida.
Up Close with Manatees
Close up of Galapagos giant tortoise in San Cristobal, Galapagos Island.
Galápagos Giant Tortoises Are Mysteriously Turning Up Dead in Ecuador
An Otterly Adorable Awareness Week
Rocky Mountains
How Relocated Beavers Fight Climate Change
3D low poly green plant HUD UI display. Future polygonal triangle point line ecology problems solution abstract biology genome engineering vector illustration future business technology.
Supertrees That Suck Up More Carbon Could Be Forest Climate Fix
Photo taken in Marsa Alam, Egypt
Manatee’s Cousins Have Vanished from the Ocean
Celebrate International Whale Shark Day
OLYMPUS DIGITAL CAMERA
Glowing Coral and Other Marine Invertebrae from Georgia Aquarium
See All Nature
Exploration
Photo taken in Colombia, Colombia
A Spanish Sunken Galleon Has a $17B Bounty Onboard - and Now You Can See It
Mt. Shasta, California’s Mysterious Volcano, is an Enigma Waiting to be Explored
Alejandro Arteaga holds an Atractus zgap.
Three New Species of Snakes Discovered in Graveyards and Churches in Ecuador
Atractus zgap was found in an orchard of small school in the Andean town El Chaco, Napo province, Ecuador.
See Three Newly Discovered Species of Cryptozoic Snakes
Paw prints on the coast. Foam wave. Sand beach. An imprint of the paws of a small dog.
Water Cremation Offers Eco-Alternative For Funerals
Al Khazneh or The Treasury at Petra, Jordan
A Majestic City Carved into Rock, Thousands of Years Ago
Photo taken in Zion, United States
Explore Utah's National Parks
Earle morning view of Taj Mahal reflected in water pond.
The Romantic, Heartbreaking Love Story Behind the Taj Mahal
Otherworldly Destinations Inspired by House of the Dragon
Sumilon Island is a coral island off the coast of Bancogon, Oslob, Cebu. It is the first marine protected area in the Philippines and is famous for its diving sites.
4 Wonders of the Philippines
See All Exploration
Space
The sun rises on Rigel IV, a rocky planetoid in the Neutral Zone, on the Outer Rim of the Galaxy.
Want to Name a Planet? Now’s Your Chance
Highly detailed "Supermoon" Pink Moon image with a star field background
What We Learn from the Lunar Surface
Solar system planets set. The Sun and planets in a row on universe stars and lines of gravity background. Elements of this image furnished by NASA. /urls: https://www.nasa.gov/image-feature/suns-magnetic-field-portrayed https://solarsystem.nasa.gov/resources/545/artists-concept-our-solar-system/ https://www.nasa.gov/image-feature/goddard/2016/hubble-spins-a-web-into-a-giant-red-spider-nebula
Six Planets are Retrograde, What Does that Mean for You?
Watch NASA's Asteroid-Crashing DART Mission Make Impact
Image of planet Jupiter taken by the Juno Mission. The image has been enhanced and edited by the Contributor as per NASA request in the Juno Raw Images Website. Changes include: Increased texture, dynamic range, changes in color and saturation of different areas. The result offers the personal perspective of the contributor on what Jupiter is. Original raw image was provided by NASA
Jupiter Makes Its Closest Approach to Earth in Nearly 60 Years
This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies.
Got You! Astronomers Find an Especially Sneaky Black Hole
mars rover exploring the red planet surface under the starry sky
Curiosity Daily Podcast: Big Brain Bestfriends, Mars Exploration Fleet, Brain Unpain
Why Astronomers Care About Super-Old Galaxies?
Curiosity Daily Podcast: Skin Print, Testing Birth Control, Race To Bring Mars Home
6 Months in Space Permanently Ages Bones by 10 Years
See All Space
Science
blue glowing futuristic city
Digital Twin Cities Can Shrink the Impact of Planet’s Largest Polluters
OLYMPUS DIGITAL CAMERA
Building Atlantropa: One Man’s Plan To Drain the Mediterranean Sea
Frontal close-up of an yellow-fever mosquito sucking blood, known vector of zika virus, chikungunya, yellow fever and dengue.
Why You Can’t Escape a Mosquito
Climate change idea. Soft focus on bunch of micro plastic that cannot be recycled.
Microplastics in Blood Spotlight Health Emergency from Plastic Pollution
Greyhound
Blind Dogs Can Still Play Fetch. A Newfound Nose-to-Brain Connection Explains Why.
Acrocanthosaurus forest scene from the Cretaceous era 3D illustration
113 Million-Year-Old Dinosaur Tracks Uncovered Due to Drought
Can this New 'iTEARS' Technology Help Detect Diseases?
Can this New AI Technology Help Us Understand the Languages of Animals?
Tasmanian tigers, the slim, striped keystone species, were native to Australia, including Tasmania and New Guinea previously roamed the Earth for millions of years before being driven to extinction through human hunting.
Scientists Are Resurrecting the Tasmanian Tiger from Extinction
British Winter weather with floods and snow.
All Rainwater is Unsafe to Drink According to Study
See All Science
Motor
"Street sign, isolated"
California Proposes Ban on New Gas-Fueled Cars by 2035
Modern electric car chassis design battery modular platform skateboard module pack board with green recycling symbol sign. Recycle vehicle components battery cell pack, motor powertrain, controller.
How Lithium Batteries Will Improve EV Range and Rapid Charging
Flying on turbines taxicab illustrate the great speed of delivery the client in spite of the traffic jams
Air Taxis Bring Electric Flight Hype to Life in Busy Cities
Colorful silhouttes of different Electric Car or automobile types
Recycled Lithium-Ion Batteries are Outlasting Brand New Ones
A photograph of an American Classic car, as seen through the side window, showing the steering wheel, dash board and blue interior, Image taken in August 2018 on a sunny day at Goodwood Motor Circuit, in the UK, at a classic car meeting (breakfast club), open to the general public.
Retrofitting Older Cars with Electric Motors Could Transform Transport
Environmentally Friendly Alternative Energy Concept With Hydrogen Refuelling Station.
Hydrogen Ready to Ignite as Transport Network and Technology Takes Off
Aerial photo of a large oil tanker floating in calm seas.
Catch-22: How the Clean Energy Industry is Perpetuating Deep-Sea Mining
In March 2018 Siemens Mobility was commissioned by the Research and Development Center of the University Kiel to build a five-kilometer eHighway on the A1 autobahn between the Reinfeld and Lübeck interchanges
Are Electric Highways the Way of the Future?
Solid State Batteries Promise Long Life and Rapid Refuel Electric Vehicles
Electric vs. Hydrogen: The Pros and Cons of Greener Transportation
See All Motor
Schedule
More
Cancel

What on Earth?

11 Seasons
Use your tv provider
S2 E8 8/15/17

Legends of the Lost Cities

New satellite discoveries tell the stories behind the world's most mysterious lost cities. Strange rings might be evidence of a fabled Biblical city -- or the mythical city of Atlantis. Bizarre patterns point to a Californian ghost town.

← Previous Episode
Next Episode →

Seasons

Episode   1

Lost City of the Kalahari

Episode   2

Secret of Doomsday Mountain

Episode   3

Finding Vietnam's Lost POWs

Episode   4

Who Built Supervillain Island?

Episode   5

Curse of the Lost Kingdom

Episode   6

Hidden Tomb of Genghis Khan