The driest desert in the world stops just above the rooftops here. Iquique was built on a narrow strip of land between the Atacama cliffs and the Pacific, and a giant dune, Cerro Dragón, looms over the southern neighbourhoods while paragliders circle in the warm air. The town owes its character to the saltpetre boom, and it has left behind a historic centre of a kind rarely seen on this coast. The passenger terminal opens onto Avenida Arturo Prat, right near the heart of town, so the visit begins on foot, straight from the bottom of the gangway.

Paseo Baquedano, Wood Against the Desert

The town's signature avenue is best explored on foot from the main square. On either side, Georgian-inspired wooden houses, with galleries, balconies, and plank sidewalks, built back when Atacama saltpetre was being exported around the world. Wood, a precious commodity on this treeless coast, arrived by ship, often from Oregon: a luxury that spoke to the prosperity of the time. Several of these houses now hold cafés and museums; the Plaza Prat, with its white clock tower and 19th-century theatre, closes off the view. The Palacio Astoreca, once home to an era's mining magnate, reveals the interior of these fortunes: dark wood panelling, billiard rooms, chandeliers brought from Europe.

The Corvette Esmeralda

Near the port, a faithful replica of the corvette Esmeralda can be toured like a chapter of national history. It was off the coast of Iquique, in 1879, that Captain Arturo Prat's ship went down fighting Peruvian ironclads, a sacrifice that became a founding story in Chile. The tour on board, with its cannons, hammocks, and officers' quarters, sheds light on the reverence this name still commands throughout the country: every May 21, the whole of Chile commemorates the battle, and Iquique stands at its very heart.

Humberstone, the Saltpetre Ghost Town

About an hour's drive into the desert, the UNESCO-listed factories of Humberstone and Santa Laura raise their rusted frames in total silence. A theatre, a school, workers' housing, machines frozen in place: thousands of people once lived here, until synthetic saltpetre brought the industry to an end. Visitors can wander freely among the workshops, the housing, and the central square, where the wind rattles the sheet metal; information panels tell of the daily life of mining families, their strikes, their festivals. Bring water and a hat, since the sun shows no mercy out on the pampa. The visit takes up half a day and leaves a lasting impression; few places tell the story of economic boom and bust quite so well.

Ending at Cavancha

Head back to town by way of Cavancha Beach, just minutes from the centre: palm trees, golden sand, surfers in the water almost year-round. It's a favourite way to end the stop, a mango juice in hand, with the Cerro Dragón dune as a backdrop and the ocean rolling in waves cooled by the Humboldt Current. The curious can continue on to the Zona Franca, a huge duty-free shopping centre that draws buyers from across northern Chile; others will simply stay by the water, watching paragliders touch down on the sand like tired birds.

Distance Reference Points

Between the dune, the wooden houses, and the silent factories out in the desert, Iquique makes for a stop unlike any other on the South American Pacific coast. You head back aboard with sand in your shoes and, often, a newfound curiosity about this saltpetre story you knew nothing about that very morning.