Sleepy Mysteries

Tonight you stand at the rim of the Grand Canyon and descend through nearly two billion years of Earth’s history exposed in a single mile of stone. You begin on the Kaibab Limestone — a...

Tonight, you descend into the Schwarzwald — a mountain range in southwest Germany built on gneiss bedrock one billion years old, split from the Vosges when the Upper Rhine Graben rifted apart during the Eocene, and...

Tonight, you descend through the entire ocean — from the sunlit surface where phytoplankton produce half the oxygen on Earth, through the twilight zone where billions of animals rise and fall each night in the largest...

Somewhere in the Venezuelan rainforest, water steps off the edge of a Precambrian sandstone plateau and falls eight hundred and seven metres through open air without touching rock. The cliff it drops from — Auyán-tepuí...

Tonight you stand at the edge of a quarried trench in the Giza Plateau and look down at the largest monolithic sculpture surviving from the ancient world — 73.5 metres of carved bedrock, facing east, waiting for a...

Tonight you stand at the edge of a quarried trench in the Giza Plateau and look down at the largest monolithic sculpture surviving from the ancient world — 73.5 metres of carved bedrock, facing east, waiting for a...

Tonight, you travel to the towers built at the edges of survivable geography — lighthouses raised on rocks too small to stand on, cliffs buried by sand, and islands where keepers vanished between one watch and the next...

Somewhere in East Sussex, a moat fed by natural springs still surrounds a sandstone fortress that was deliberately broken by the army that won the war it was built to fight. Somewhere on the Causeway Coast of Northern...

A bristlecone pine in the White Mountains of eastern California, growing on dolomite at 3,100 metres in the rain shadow of the Sierra Nevada, germinated more than 5,060 years ago — before Stonehenge, before the Minoan...

A 4,322-metre stratovolcano at the southern end of the Cascade Range, rising 3,000 metres above the surrounding valley floor in Siskiyou County, northern California. Not one mountain but four — overlapping volcanic...

Eight hours of unsolved mysteries, told slowly, for sleep. This compilation gathers ten investigations into a single unbroken journey through landscapes that still hold their secrets — from the volcanic tuff beneath a...

Beneath a modest town in central Turkey, 18 storeys descend into pale volcanic stone — roughly 85 metres below the surface, carved into tuff that was laid down by eruptions of Mount Erciyes and Mount Hasan between 9 and...

Somewhere in central Norway, in a narrow valley at 62 degrees north latitude, lights appear in the winter sky. They have been reported since the 1930s — white, yellow, sometimes blue — hovering above the valley floor...

Between 1817 and 1821, a farming family in Robertson County, Tennessee experienced something that has never been adequately explained. John Bell — a prosperous landowner, Baptist church elder, father of nine — began...

Beneath the streets of Paris, 131 steps spiral down into a labyrinth carved from 45-million-year-old Lutetian limestone — the same stone that built Notre-Dame and the Louvre. The quarries stretch for roughly 200 miles...