If you'd love to inject a little more culture into your escape, put Mining Museum on your must-do list. Check for guided tours or just roam around at your own speed.
When you've finished up at this museum in CopiapĆ³, why not check out Termas Banos de Puritama, Copiapo Cathedral, and Atacama University? They're not very far from Mining Museum and also a hit with many tourists.