Horsetail Falls illuminated by the setting sun

The most stunning natural phenomena on Earth

From the famous northern lights to the lesser-known sea of stars, we share the world’s most stunning natural phenomena

It’s firefall time. Every year, beginning around late February, the setting sun hits Yosemite’s Horsetail Fall at just the right angle to light the cascade in blazing orange and red hues, giving the appearance of flowing fire or lava. To celebrate the spectacle, we’re exploring the world’s most stunning natural phenomena.

Ama Dablam is a thing of beauty

30 most beautiful mountains in the world

The most beautiful mountains in the world have captivated climbers for centuries. Here, we examine their lethal appeal

“You are not in the mountains. The mountains are in you,” said John Muir, the renowned naturalist, author and environmental philosopher.

If our resident seven-summit hopeful is anything to go by, Muir makes a valid point. Those who spend time in the mountains seem to be driven by a deeper force.

The Tsaranoro Massif is known as 'Africa’s Yosemite'

20 most stunning big wall climbs from around the world

From El Capitan in Yosemite to remote challenges in Greenland and Antarctica, we profile the world’s most stunning big wall climbs

It was five years ago that I first came across a big wall climber. A tiny speck on the side of a gigantic granite wall, the climber was bivvying in Yosemite National Park, the Holy Land of big wall climbing.

I couldn’t comprehend how someone could sleep tacked onto the side of a wall, suspended thousands of feet above the ground, sometimes in treacherous weather conditions.

A tiger lazes in Ranthambore in India

17 megadiverse countries of the world

We profile the world’s megadiverse countries, from obvious contenders like Ecuador and Brazil to one or two surprise entries

It should be comforting to know that a mere 17 countries hold more than 70% of the world’s species. It should be easy to rally this small group of ‘megadiverse countries’ to protect the planet’s extraordinary biodiversity. Alas, some of these countries are also the world’s biggest consumers and polluters. 

largest rainforests in the world amazon

12 largest rainforests in the world and where to find them

The largest rainforests in the world are some of the most vital ecosystems on our planet. We look at where they’re located and why they need protecting

Home to over half the world’s plant and animal species, the largest rainforests in the world absorb vast amounts of carbon dioxide from the atmosphere, helping maintain the balance of the air we breathe while simultaneously playing a critical role in curbing global warming.

best-national-parks-in-the-world-Jiuzhaigou

The best national parks in the world – by continent

The best way to see the world’s greatest natural wonders is to visit the best national parks in the world. Thankfully, governments around the world have taken steps to preserve their areas of outstanding natural beauty, their diverse animal and marine life, and tracts of pristine wilderness.