Way over to the west, the oval Parque del Centenario is a large open space containing this excellent natural-science museum. On display are large collections of meteorites, rocks and minerals, seashells, insects and dinosaur skeleton replicas. The taxidermy and skeleton rooms are especially good. Bring the kids; they can mingle with the hundreds of children who visit on school excursions.
Nearby is the Observatorio Astronómico . Call or check the website, as observation hours change depending on the season.
