Iceland
Vatnshellir Cave
Descending an 8,000-year-old spiral staircase into the frozen, colourful heart of a lava tube.
The spiral staircase drops into darkness, and the temperature falls with each step. At the bottom, 35 metres underground, your headlamp catches lava stalactites frozen mid-drip and walls striped in rust and mineral blue. Vatnshellir Cave on Iceland's Snæfellsnes peninsula is a lava tube that has been waiting 8,000 years for you to arrive.
Vatnshellir is a lava tube formed during an eruption roughly 8,000 years ago, located beneath the slopes of Snæfellsjökull glacier — the same volcano that Jules Verne chose as the entry point for his Journey to the Centre of the Earth. A modern spiral staircase descends to two levels: the upper chamber contains lava stalactites and mineral-stained walls, while the lower level offers total darkness when headlamps are switched off. The cave maintains a constant temperature of around 2°C year-round. Guided tours operate twelve months of the year, making Vatnshellir one of the few Icelandic caves accessible in winter. The surrounding Snæfellsnes peninsula is sometimes called 'Iceland in miniature' for its concentrated variety of waterfalls, lava fields, beaches, and bird cliffs.
Family
The guided format, the spiral staircase adventure, and the total-darkness moment underground make Vatnshellir a controlled thrill that children remember. The Jules Verne connection adds literary magic.
Friends
Descending into an 8,000-year-old lava tube together is exactly the kind of experience friends travel for — visceral, slightly unnerving, and endlessly retellable.
Couple
The moment when the guide switches off all lights and you stand together in 8,000-year-old darkness is strangely intimate. The Snæfellsnes peninsula drive makes a full day of it.
- An 8,000-year-old lava tube beneath Snæfellsjökull glacier, Jules Verne's Journey to the Centre of the Earth entry point.
- The cave descends via a spiral staircase to two levels with different geological formations.
- Lava stalactites, colour variations from mineral deposits, and complete underground darkness.
- Guided tours run year-round, making it one of few Icelandic caves accessible in winter.
Traditional kleina doughnuts and strong coffee served at the volcanic base camp.
Smoked lamb pâté on hardfiskur eaten after surfacing from the underworld.
Silverton
United States
A narrow-gauge steam train delivers you to a mining ghost town at 9,318 feet.
Hawai'i Volcanoes
United States
Molten lava meeting the ocean in a hiss of steam on an island still being born.
Jeongseon
South Korea
Abandoned mining railways pedalled by tourists through dark mountain tunnels and deep river gorges.
Doi Inthanon
Thailand
Thailand's rooftop, where twin pagodas pierce cloud forest and Karen villages farm the ridgelines.
Dimmuborgir
Iceland
A collapsed citadel of twisted lava arches where folklore says child-eating trolls dwell.
Hveragerði
Iceland
A village where the earth breathes steam and locals bake bread in the soil.
Silfra Fissure
Iceland
Snorkelling in liquid crystal through a tectonic rift between the American and Eurasian plates.
Djúpivogur
Iceland
Thirty-four polished granite eggs line a fishing harbour, one for each local bird species.