Salt Cathedral of Zipaquirá

Touch the wall beside you. It feels cool, slightly rough, almost like frozen sand. Now look closer at the grey surface, streaked with darker bands. This is not ordinary rock. It is salt, layer upon layer of it, pressed into stone over a very long stretch of time. The air down here is still and cool, and your footsteps sound soft and close. You are walking inside a mountain, deep underground, in a church that miners cut out of salt.

Above you is the town of Zipaquirá, in the highlands north of Bogotá. The landscape around it is green and rolling. But the wealth of this place has always been below the surface. Long before the Spanish arrived, the Muisca people worked these salt deposits. The Muisca were the main Indigenous civilisation of the Colombian highlands. They boiled brine from the springs to make salt, and they traded it widely across the region. Salt was one of the foundations of their economy.

The Spanish took control of the deposits in the colonial era. Over the following centuries, mining moved from the surface into the heart of the mountain. Workers dug tunnels and large chambers to reach the salt. It was hard and dangerous work, carried out in darkness, far from the sky. And like miners in many parts of the world, the men here wanted protection. They carved small shrines into the tunnels and prayed before each shift.

Those small shrines grew into something much larger. In the twentieth century, a sanctuary took shape inside the old workings. It became a full underground church, and it drew pilgrims from across Colombia. But there was a problem. The mine was still a mine, and the rock around the old church was weakening. By the early 1990s, safety concerns led to its closure. People feared for the structure above their heads.

So a new cathedral was planned, and it was cut deeper into the mountain, below the old one. Colombian architect Roswell Garavito Pearl led the design. The new cathedral opened in 1995. It is the space you are walking through today. Here is a detail many visitors miss — it was not built with bricks or poured concrete. It was carved. Workers removed salt and rock until the shape of a church remained, a little like a sculptor working on a block of marble.

The descent itself is part of the experience. The main tunnel slopes gently downward, and along the way you pass the Stations of the Cross. In the Christian tradition, these fourteen stations mark the steps of Jesus on the day of his crucifixion, from his sentence to his burial. Here, each station is a small chamber cut into the salt. Most hold a simple cross and kneeling platforms. The designs are spare, and the lighting does much of the work.

Notice how each station uses the cross in a slightly different way. Sometimes it is cut deep into the wall. Sometimes it stands out from the rock, or rises from the floor. The shapes are plain and geometric. There are very few painted figures or golden ornaments. That restraint is deliberate. The salt and the darkness do the talking, and the visitor fills in the rest. Take a moment at one station. Listen. The silence underground has a weight that is hard to find on the surface.

Now the light. The tunnels are lit in shades of blue, violet, and sometimes pink. These colours change the salt completely. Under white light, the walls look grey and plain. Under blue light, they look like ice, or deep water. Some visitors find the colours theatrical. Others find them calming. Either way, try to look at the bare rock wherever the light is softer. You will see the natural grain of the salt, the bands and veins that formed long before anyone came here.

Further down, the space opens up. You reach a balcony that looks out over the main naves. A nave is the long central hall of a church, where the congregation gathers. Here there are three naves, and they are often described as representing the birth, the life, and the death of Jesus. The scale is the second surprise. After the narrow tunnels, the ceiling suddenly lifts high above you, and the space feels enormous for something hidden inside a hill.

At the far end of the main nave stands a large cross, cut in relief into the back wall. It is lit from behind, so it seems to glow out of the dark stone. Below it, rows of benches face the altar. This is a working church. Masses are held here, and on some days you may hear voices or music rising in the hall. Even when it is quiet, people often lower their voices without being told. The room has that effect.

Look around the cathedral for other carved details. There are sculptures in salt and marble, a dome-like ceiling in parts of the space, and side chambers off the main halls. In some areas you will find still pools of water that reflect the ceiling like a mirror. Stand at the edge and look down. The reflection can make the chamber seem twice as deep. It is a simple effect, but it stops many visitors in their tracks.

Remember, too, that you are inside a real salt deposit. The mountain still holds a great deal of salt, and mining has shaped this hill for many centuries. The cathedral sits within a wider complex, and as you walk on, you may pass exhibits about mining life and the geology of the deposit. Pay attention to the tools, the old photographs, and the stories of the workers. Without their labour and their faith, none of these chambers would exist.

When you climb back up into daylight, give your eyes a moment. The sun will feel bright after the blue dark. Then look at the hillside around you, and the town spread below. It is easy to forget, standing on the grass, how much empty space lies under your feet. As you walk back toward the town, the salt is still there beneath you — silent, cool, and very old — holding a church inside it.