The fact that engineers, miners and sculptors managed to carve out a cathedral beneath 200 metres of salt, rock and minerals is a damn impressive feat in itself. But even more amazing is just how spectacular the Salt Cathedral of Zipaquirá in Colombia is. I mean, just look at it. The light filters through it magnificently, filling the chambers and tunnels with an almost neon-like haze of blues and purples. Catch it on a Sunday, and you’ll discover another quirk: it’s still a fully-functioning Roman Catholic church.
Not many people are comfortable going deep underground. There’s something pretty scary about diving into the pitch-black abyss, towards the mysteries at the centre of the Earth. Even at the best of times, being below ground can feel claustrophobic, inescapable, terrifying.
But humans have been going underground – mining, caving, living and like – for as long as, well, we’ve been humans. And that means there are plenty of cool, weird and outright gorgeous attractions hidden down there. Some are marvels of human workmanship, others are naturally occurring wonders. All over the world you’ll find all manner of magnificent underground phenomena. Here are our favourites.
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