Environment

It’s so deep it could swallow 24 Empire State Buildings stacked one on top of the other – and they’d still be submerged
More than 10km deep, 80km wide and 1,375km long – the Tonga Trench in the South Pacific Ocean is truly enormous.

Mount Rushmore is a tourist hotspot. But it’s also home to rare and deadly predators
Millions of visitors flock to the memorial each year, while other creatures remain out of sight

It’s the size of Oregon, contains 25,000 lakes and lies 100km north of the Arctic Circle – and it's only accessible by helicopter or boat
The Putorana Plateau is a vast and remote mountain range in Central Siberia, home to one of the planet’s greatest wildlife spectacles.
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“As if I’m in the real Yellowstone.” These epic, secret mountains are teeming with predators
Deep within Romania’s Făgăraș Mountains, a vast, untouched forest of ancient woodland teems with wildlife. Could this be the Yellowstone of Europe?

“This IS the yellow brick road.” Deep-sea robot discovered real-life yellow brick road in the depths of the ocean – does it lead to the Emerald City?
Think the yellow brick road is fictional? Think again. It’s real and it can be found more than 1,000 metres deep in the ocean

There’s a mysterious lake in India that’s filled with perfectly circular floating islands. And it’s home to one of the longest snakes on Earth
In India, you’ll find the only floating national park on Earth – and people live on it

Scientists embark on 1,200km 'megatransect' of Patagonian kelp forests. What they find could be crucial
Researchers are surveying one of the world's largest intact kelp forests to learn more about the species that live there and the ecosystem's role as a powerful natural carbon sink.

There are more than 50 seas on the planet. But this one’s the smallest
While it has no strong currents, the Earth’s smallest sea is subject to earthquakes

"It's a land of frozen fire – a vast volcanic landscape shaped by violent eruptions and molten magma." Today wildlife, including deadly snakes, thrive here...
Into America’s volcanic ‘badlands’: Explore a land of fire and ice in the El Malpais National Monument in northwestern New Mexico, USA

Twice the size of the UK – yet 80% of it is a dead zone where almost nothing survives...
Beneath its dolphin-filled surface lies a strange, oxygen-starved world where shipwrecks can last for centuries

3 miles down, deep-sea robots discovered an incredibly hostile habitat with scorching 400°C waters, smoking black chimneys and – somehow – life...
The Beebe Vent Field in the Cayman Trough is home to the world’s deepest known hydrothermal vents

Scientists attached satellite tags to sharks. What they recorded was unexpected
Researchers from the University of Miami have discovered that tagging sharks can provide insightful climate data

This slimy plant is stealing sunlight and oxygen from marine wildlife, smothering beaches with a gag-inducing smell of rotten eggs, and can cost millions to clean up
Far from shore, giant golden-brown shapes break up the cobalt waters of the Atlantic. These aren’t tropical islands, but enormous rafts of seaweed that stretch for thousands of miles.

This giant underwater 'cloud' lies at the bottom of a 60m-deep sinkhole. It's concealing something ghostly
Beneath the calm surface of Cenote Angelita in Mexico lies a strange and haunting world...

Deep enough to swallow skyscrapers and filled with deadly toxic gases, it plunges so far into Earth even robots have never reached the bottom
Extreme depths, low visibility, acid water and unbreathable surface air: welcome to the world’s deepest known freshwater cave, the Hranice Abyss

Drones reveal massive ‘buried glaciers’ in the US. They could guide search for water on Mars
A major breakthrough in the search for water on Mars has been made thanks to a pioneering new study

It’s named after the god of the underworld and contains creatures so weird they haven’t been identified yet
The deepest part of the ocean – the Challenger Deep – is in the hadal zone, a deep-sea region named after the Greek god of the underworld

East River DNA reveals secrets of life (and death) in New York
New Environmental DNA study sheds light on local wildlife and dietary habits of New Yorkers.

It’s millions of years old, larger than California and home to creatures that exist nowhere else on Earth
This ancient island contains hundreds of endemic (and iconic) species

It’s deep enough to hide Mount Kilimanjaro, contains bone-eating worms and is the world’s largest habitat
The fourth of five ocean zones – the abyssopelagic zone or the abyss – stretches from 4,000 to 6,000 metres deep

It's big enough to swallow cities, deep enough to hide skyscrapers and inside lies an ancient, thriving 'lost world' cut off from everything above
At the bottom of a vast limestone chasm in southern China, a self-contained forest has taken root in near-permanent shadow, creating an isolated ecosystem that feels more like a lost world than a place on Earth.

"It’s one of the few places on Earth where tigers stalk & attack humans, & the only jungle where the leading cause of human death is an apex predator"
A vast, tangled delta of mangrove forests straddling India and Bangladesh, the Sundarbans is a hauntingly beautiful yet lethal wilderness, where shifting tides conceal stealthy Bengal tigers and other deadly predators

"It’s filled with dangerous species. If provoked one will use its claw to rip open the soft bellies of humans to devastating effect."

"There's no life there, period. At least not in the last 20-30,000 years or so...”
A frozen desert at the edge of Antarctica, the McMurdo Dry Valleys offer a rare glimpse into one of the harshest – and most Mars-like – environments on Earth.
