6.6/1020 votes#1 - Grand Canyon Treasure
Season 3 Episode 1 - Aired 11/15/2016
Strange spots near the Grand Canyon may hold clues to the legendary treasure of a notorious bandit. Satellite images could explain desert ruins rumored to be an entrance to an underworld. A city-size chunk of ice suddenly disappears in Antarctica.
Director: N/A
Writer: N/A
6.6/1019 votes#2 - Mystery in the Outback
Season 3 Episode 2 - Aired 11/22/2016
A giant carving of a strange creature suddenly appears in the Australian Outback. Mysterious bright green lights illuminate the seas around Thailand. Top secret activity is discovered at Iran's nuclear facility.
Director: N/A
Writer: N/A
6.6/1023 votes#3 - Riddle in the Ruins
Season 3 Episode 3 - Aired 11/29/2016
Strange black holes appear near Egypt's ancient pyramids, and new evidence points to a disturbing conclusion. Ruins in Peru suggests that the Inca people knew far more than previously thought. A mysterious red swarm invades a beach in India.
Director: N/A
Writer: N/A
6.7/1015 votes#4 - Stonehenge of the Holy Land
Season 3 Episode 4 - Aired 12/6/2016
Legends of ancient giants surround a mysterious monument in the Holy Land. A bright pink lake could point to a strange, undiscovered new species. When a young boy disappears in a sand dune, satellite images help with the investigation.
Director: N/A
Writer: N/A
7.0/1015 votes#5 - Did We Find Flight 370?
Season 3 Episode 5 - Aired 12/13/2016
Investigators find a new clue about the missing Malaysia Airlines flight that disappeared in 2014. An astronaut spots something strange in the Sahara Desert. A mysterious orange sludge invades a remote village in Alaska.
Director: N/A
Writer: N/A
7.3/1022 votes#6 - Gateway to Eden
Season 3 Episode 6 - Aired 12/20/2016
A buried monument offers new evidence about one of the Bible's greatest mysteries. A giant shadow engulfs the Pacific Ocean. Scientists have trouble explaining a strange lake that's shaped like a perfect circle, and is home to otherworldly life.
Director: N/A
Writer: N/A
6.8/1016 votes#7 - Dagger of Tutankhamun
Season 3 Episode 7 - Aired 1/3/2017
A dagger sealed in King Tut's tomb for more than 3,000 years is made of a metal that seems to have extraterrestrial origins. A massive swastika is found in the desert near Roswell, NM. Satellites hunt for the world's most wanted man, Joseph Kony.
Director: N/A
Writer: N/A
7.1/1016 votes#8 - Raiders of the Holy Lance
Season 3 Episode 8 - Aired 1/10/2017
A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen. Tanks appear to be facing off in Antarctica next to an unworldly object. A water reservoir in LA suddenly turns black.
Director: N/A
Writer: N/A
6.5/1015 votes#9 - The Swastika Conspiracy
Season 3 Episode 9 - Aired 1/17/2017
A sinister giant swastika appears in a forest in Germany. A strange pattern is etched into the desert near the famous Nazca lines, but archaeologists don't know who put it there. Mysterious markings are spotted in an isolated corner of Antarctica.
Director: N/A
Writer: N/A
6.9/1017 votes#10 - Inside El Chapo's Escape
Season 3 Episode 10 - Aired 1/24/2017
Satellite images reveal how El Chapo escaped from a high security prison in Mexico. Mysterious patterns in the Australian outback and the Kalahari Desert spark a major scientific investigation. A giant black stain appears in a war-torn area of Iraq.
Director: N/A
Writer: N/A
7.1/1014 votes#11 - Ghost of Zorro
Season 3 Episode 11 - Aired 1/31/2017
A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw. A strange sighting in Germany points to secrets from the Cold War. Massive, blood-red marks in China prompt fears of a violent government crackdown.
Director: N/A
Writer: N/A
7.5/1018 votes#12 - Curse of the Sea Monster
Season 3 Episode 12 - Aired 2/7/2017
A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a mythological sea monster. An area of the US-Mexico border becomes an international mystery. Ancient rock carvings depict weird, unearthly beings.
Director: N/A
Writer: N/A
7.1/1017 votes#13 - Strange Symbols in the Desert
Season 3 Episode 13 - Aired 2/14/2017
An amateur archaeologist stumbles open strange symbols scratched into the Kazakhstan Desert; CIA surveillance photographs show what looks like a giant Star of David on the island of Cuba; and a lake in the Brazilian rain forest that turned bright pink.
Director: N/A
Writer: N/A
7.2/1015 votes#14 - Bloody Secret Of The Lost City
Season 3 Episode 14 - Aired 2/21/2017
A vast structure near the legendary city of Petra points to a bloody past.
Director: N/A
Writer: N/A
6.5/1013 votes#15 - Lost Empire Of The Amazon
Season 3 Episode 15 - Aired 2/28/2017
New evidence could lead to the discovery of an ancient civilization.
Director: N/A
Writer: N/A
7.3/1013 votes#16 - Siberian Hell Pit
Season 3 Episode 16 - Aired 3/7/2017
A massive chasm in a Siberian forest may be a gate to the underworld.
Director: N/A
Writer: N/A
7.3/1011 votes#17 - Hunt for El Dorado
Season 3 Episode 17 - Aired 3/14/2017
Strange images from Colombia could lead researchers to a legendary city.
Director: N/A
Writer: N/A
6.8/1013 votes#18 - Mystery of the Mummy Desert
Season 3 Episode 18 - Aired 3/21/2017
Strange images could explain mysterious mummies found in a desert.
Director: N/A
Writer: N/A
6.5/1013 votes#19 - Forbidden Cities of the Maya
Season 3 Episode 19 - Aired 3/28/2017
A young boy uses satellite images to uncover lost cities of the Maya.
Director: N/A
Writer: N/A
6.9/1016 votes#20 - The Curse of Merlin
Season 3 Episode 20 - Aired 4/4/2017
A strange arrangement of stones may be connected to a mythical wizard.
Director: N/A
Writer: N/A
The Best Episodes of What on Earth? Season 3
Every episode of What on Earth? Season 3 ranked from best to worst. Discover the Best Episodes of What on Earth? Season 3!
Satellites orbit Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, but some are bizarre. This unique perspective reveals objects...
Genre:Documentary
Network:Science
Season 3 Ratings Summary
"Grand Canyon Treasure" is the best rated episode of "What on Earth?" season 3. It scored 6.6/10 based on 20 votes. Directed by N/A and written by N/A, it aired on 11/15/2016. This episode is rated 0.0 points higher than the second-best, "Mystery in the Outback".