Silbo Gomero: The Island Where People Talk in Whistles

On La Gomera, people turn Spanish into whistles that carry across valleys. How Silbo Gomero works,…

Coming-of-Age Rituals Around the World: From Seijin no Hi to Land Diving

How cultures mark the passage to adulthood, from Japan's Coming of Age Day and the Jewish…

Endangered Languages: Why They Disappear and How They Are Saved

About 40% of the world's 7,000 languages are endangered. Why indigenous languages disappear, which ones are…

Gravity Hills and Mystery Spots: Places Where Gravity Seems to Fail

Cars rolling uphill, water flowing the wrong way: famous gravity hills and mystery spots around the…

Mysterious Sounds Recorded in the Deep Ocean

The Bloop, the Upsweep, the biotwang and other strange sounds recorded in the deep ocean, and…

The World’s Strangest Natural Phenomena

Discover the most bizarre and captivating natural wonders on Earth. From blood-red waterfalls to sailing stones,…

Ancient Civilizations That Disappeared: What Really Happened

The Indus Valley, Minoans, Olmecs, Ancestral Puebloans and Mycenaeans all declined. What archaeology says about why,…

Eternal Flames of Nature: Fires That Have Burned for Centuries

From Eternal Flame Falls in New York to Turkmenistan's Door to Hell, natural fires that never…

The Loneliest Places on Earth: Remote Islands, Deserts and Ice

From Tristan da Cunha and Point Nemo to Antarctica and the Atacama, the most isolated places…

The Most Isolated Tribes in the World: Who They Are and Why They Avoid Contact

More than 100 Indigenous groups still avoid contact with the outside world. Who they are, where…