There’s an Ocean Hidden Inside the Earth
Journey beneath Earth's surface and follow the evidence from ringwoodite to the mantle transition zone.
COMING SOONDOCUMENTARIES FOR THE CURIOUS
PAST•PLANET•BEYOND™
Our Past. Our Planet. Our Universe.™
Extraordinary true stories from history, Earth, and the universe — explored with curiosity, cinematic wonder, and evidence.
BEGIN EXPLORINGPAST • PLANET • BEYOND
LATEST EXPLORATION
Hundreds of miles beneath our feet, evidence locked inside minerals points toward an enormous reservoir of water deep within Earth.
Journey beneath Earth's surface and follow the evidence from ringwoodite to the mantle transition zone.
COMING SOONTHREE PILLARS • ONE CURIOSITY
Every story begins with a question. Where it leads is the adventure.
PAST
Lost worlds, ancient mysteries, forgotten events, and the stories that shaped humanity.
HISTORY / DISCOVERY / MYSTERYPLANET
Extreme places, strange phenomena, hidden systems, and the mysteries of the world beneath our feet.
EARTH / SCIENCE / NATUREBEYOND
Distant worlds, cosmic extremes, impossible weather, and the mysteries waiting across the universe.
SPACE / COSMOS / DISCOVERYCURIOSITY HAS NO BOUNDARIES
Past • Planet • Beyond™ follows fascinating questions wherever they lead — backward through history, deep inside our planet, and outward into the universe.
EXPLORE
QUESTION
DISCOVER