The collection began as a private obsession. The Chilean architect Sergio Larrain Garcia-Moreno spent nearly fifty years acquiring pre-Columbian art and artifacts, and in time he sought a permanent home where the pieces could be preserved and shown to the public. With the backing of Santiago's municipal government, he secured a building and established the curatorial institution that opened its doors in December 1981. What had been one collector's lifelong pursuit became a public trust. The objects had been chosen, by Larrain's own account, for their beauty rather than for archaeological context, and the museum carries that aesthetic eye to this day, presenting ancient work as art rather than specimen.

The setting suits the contents. The museum occupies the Palacio de la Real Aduana, a colonial customs house built between 1805 and 1807, a block west of the Plaza de Armas and beside the old courts of justice and the former National Congress. In January 2014, a renovation by the acclaimed Chilean architect Smiljan Radic expanded the museum by some seventy percent, adding exhibition space, storage, and a conservation laboratory. The marriage is a fitting one: a building raised in the last years of Spanish rule now shelters the art of the peoples who long predated it, the colonial shell wrapped around far older treasures.

The collection is organized into the great culture areas of the ancient Americas, and walking it is like crossing continents. The Mesoamerican galleries hold a statue of Xipe Totec, the flayed Aztec god of renewal, alongside an incense burner from Teotihuacan and a Mayan bas-relief. The Intermediate Area shows the pottery of the Valdivia, among the oldest ceramic traditions in the hemisphere, and gold from the Veraguas and Diquis peoples of Central America, with Capuli figures depicted in the act of chewing coca. The Central Andes gather Moche ceramics and that ancient Chavin textile, the oldest cloth in the museum. And the Southern Andes bring the story home to Chile and Argentina, with snuff trays from the San Pedro culture, ceramic urns of the Aguada, and an Inca quipu, the knotted cords that recorded a vast empire without writing. To move through these rooms is to grasp how deep and various human life in the Americas was long before 1492.

Many of the museum's most striking objects come from burials, masks and copper figures recovered from graves across the Andes. Among the most affecting holdings is a mummy of the Chinchorro, the coastal people of northern Chile who preserved their dead thousands of years before the Egyptians did, in what may be the oldest deliberate mummification on Earth. These remains and artifacts are displayed today with a care that aims to honor rather than exhibit the dead, treating each piece as the work of people with their own cosmologies, craft, and grief. Behind every urn and textile stands a maker: a Chavin weaver, a Moche potter, an Inca accountant tying knots into memory, a Chinchorro family preparing a loved one for the long journey. The museum's quiet achievement is to let those hands speak directly to a modern visitor, across thousands of years, without the interruption of the empires that came after and tried to silence them.