Antofagasta was Bolivian before it was Chilean. In the 1870s, Chilean miners discovered rich deposits of saltpeter in the Salar del Carmen east of the settlement. The region's mineral wealth attracted a growing population, and the port village of La Chimba, designated in 1868, was soon renamed Antofagasta. But Bolivia held sovereignty. When the War of the Pacific erupted in 1879, Chilean forces occupied the city. A truce followed in 1884, but the border question dragged on for another two decades. A 1904 treaty finally assigned Antofagasta to Chile "in perpetuity." Bolivia has never entirely accepted the loss, and the question of sovereign access to the Pacific remains a live diplomatic issue between the two countries. Walking through modern Antofagasta, you are traversing ground that two nations fought over and that one still grieves.

The city's geography makes it vulnerable. In 1991, a mudslide tore through Antofagasta, undermining foundations, damaging 2,464 houses, and destroying 493 buildings outright. Ninety-two people died. Sixteen were never found. Approximately 20,000 residents lost their homes. Four years later, a 7.3-magnitude earthquake struck. Three people died and hundreds were injured, though structural damage was surprisingly limited for the force involved. These are the rhythms of life on Chile's northern coast, where the Atacama's bone-dry slopes can funnel rare rainfall into devastating flash floods, and the Nazca Plate's relentless pressure beneath the Pacific ensures that seismic events are a matter of when, not if. The city rebuilds each time, its population sustained by the copper industry that shows no sign of leaving.

North of the city, La Portada stands in the surf like a yellow stone gateway, an arch of sedimentary rock carved by Pacific waves along a stretch of wild cliff coast. It is Antofagasta's most photographed natural landmark, accessible by the same coastal road that leads to the airport. The contrast is striking: a delicate geological formation set against a landscape that otherwise suggests nothing grows, nothing softens, nothing relents. Seventy-five kilometers to the south, the Mano del Desierto rises from the sand, a giant sculpted hand reaching skyward from the Atacama as if trying to pull itself free. Between these two landmarks, the desert unfolds in austere grandeur, its emptiness a draw for travelers heading inland to San Pedro de Atacama, El Tatio Geysers, and the Valle de la Luna.

The pedestrian mall connecting Plaza Sotomayor and Plaza Colon forms the spine of Antofagasta's walkable center. Plaza Sotomayor anchors one end with its market, where more than a dozen tiny restaurants serve set lunches for the price of a bus fare. At the other end, Plaza Colon surprises with a replica of London's Big Ben, a clock tower erected by the city's British community during the nitrate boom era, when English capital and engineering shaped much of northern Chile's infrastructure. The Paseo Arturo Prat, a pedestrianized strip between the plazas, offers pavement cafes for people-watching. Along the seafront, the city's investment in its coastal promenade is evident: a walkway stretching south that catches the sunset and the salt breeze, offering the best argument that Antofagasta's pearl may be rough-cut but is genuinely there.