What on Earth? Lost Treasure of the Grand Canyon (Season 3, Episode 1)
TV-PG
TV Episode | 42 min | Documentary

Primary photo for Lost Treasure of the Grand Canyon

What on Earth?

Lost Treasure of the Grand Canyon (Season 3, Episode 1)

TV-PG

TV Episode | 42 min | Documentary

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.

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Cast	+ Add Cast
27 cast members

Name	Known for
Steven Kearney Self - Narrator (voice) Self - Narrator (voice) See fewer	United Stuff of America (2014)
Mark Altaweel Self - Archaeologist (as Dr. Mark Altaweel) Self - Archaeologist (as Dr. Mark Altaweel) See fewer	Truthseekers (2022)
Kirk Anderson Self - Entomologist (as Dr. Kirk Anderson) Self - Entomologist (as Dr. Kirk Anderson) See fewer	What on Earth? (2015)
Jonathan Bamber Self - Polar Scientist (as Prof. Jonathan Bamber) Self - Polar Scientist (as Prof. Jonathan Bamber) See fewer	What on Earth? (2015)
Kelly M. Brunt Self - Glaciologist (as Dr. Kelly M. Brunt) Self - Glaciologist (as Dr. Kelly M. Brunt) See fewer	What on Earth? (2015)
Mike Capps Self - Technology Theorist (as Dr. Mike Capps) Self - Technology Theorist (as Dr. Mike Capps) See fewer	Gears of War (2006)
Sara Carter Self - Journalist Self - Journalist See fewer	She Thinks (2015)
Leroy Chiao Self - Former ISS Astronaut (as Dr. Leroy Chiao) Self - Former ISS Astronaut (as Dr. Leroy Chiao) See fewer	Ancient Aliens (2009)
Madison Condon Self - Geologist (as Dr. Madison Condon) Self - Geologist (as Dr. Madison Condon) See fewer	What on Earth? (2015)
Patricia Driscoll Self - Military Analyst Self - Military Analyst See fewer	What on Earth? (2015)
Helen Fricker Self - Glaciologist (as Prof. Helen Fricker) Self - Glaciologist (as Prof. Helen Fricker) See fewer	The Lake at the Bottom of the World (2022)
Mark Horton Self - Archaeologist (as Prof. Mark Horton) Self - Archaeologist (as Prof. Mark Horton) See fewer	Bonekickers (2008)
Roland Kays Self - Biologist (as Dr. Roland Kays) Self - Biologist (as Dr. Roland Kays) See fewer	Strange Evidence (2017)
George Kourounis Self - Explorer Self - Explorer See fewer	Angry Planet (2007)
Luis Lombreras Self - Archaeologist (as Dr. Luis Lumbreras) Self - Archaeologist (as Dr. Luis Lumbreras) See fewer	What on Earth? (2015)
Nick Middleton Self - Geographer (as Dr. Nick Middleton) Self - Geographer (as Dr. Nick Middleton) See fewer	Going to Extremes: The Silk Routes (2005)
Tim Mousseau Self - Biologist (as Prof. Tim Mousseau) Self - Biologist (as Prof. Tim Mousseau) See fewer	River Monsters (2009)
Frank Muller-Karger Self - Oceanographer (as Prof. Frank Muller-Karger) Self - Oceanographer (as Prof. Frank Muller-Karger) See fewer	What on Earth? (2015)
Mike Nelson Self - Mining Expert (as Prof. Mike Nelson) Self - Mining Expert (as Prof. Mike Nelson) See fewer	What on Earth? (2015)
Rob Nelson Self - Biologist Self - Biologist See fewer	Mysteries of the Driftless (2013)
Giuseppe Orefici Self - Archaeologist (as Dr Giuseppe Orefici) Self - Archaeologist (as Dr Giuseppe Orefici) See fewer	Ancient Aliens (2009)
Heather Elizabeth Osborn Self - Folklorist Self - Folklorist See fewer	Forbidden History (2013)
Mike Pavelec Self - Military Historian (as Dr. Mike Pavelec) Self - Military Historian (as Dr. Mike Pavelec) See fewer	Nazi Megastructures: Battle Ready (2019)
Seth Porges Self - Journalist Self - Journalist See fewer	Class Action Park (2020)
Marshall Trimble Self - Arizona Official State Historian Self - Arizona Official State Historian See fewer	Blood Into Wine (2010)
Pita Witehira Self - Engineer Self - Engineer See fewer	What on Earth? (2015)
Evan Olding Nathan (uncredited) Nathan (uncredited) See fewer	Royal Autopsy (2022)