San Cristobal Hill: There are several ways up Cerro San Cristobal to the Parque Metropolitano, but only one doesn't require undue exertion: the Funicular , or funicular railway, which starts near the popular Bellavista area and which stops at the Zoo halfway up.
Santiago, Chile - met a girl from my hometown randomly on the street. Very westernized city. It's like NYC's latin love child. Being on central time made it such an easy adjustment. Practice up on your Spanish though!