The Bernardino Rivadavia Museum of Natural Science is located right on the edge of Caballito's Parque Centenario. This is a public museum named after Bernardino Rivadavia, Argentina's first president, who proposed this museum in 1812.

The museum houses a diverse collection of natural history specimens, including fossils, minerals, and animals. Over the years, the museum has undergone various relocations and expansions, with its current building opening in 1937.

Visitors can explore thirteen exhibition halls, an aquarium, and a library, making it a must-visit destination for science enthusiasts and curious minds alike.

Hours: Tuesday - Sunday (closed Mondays) from 2 to 7 pm.

Entrance costs around the equivalent of 10 dollars for non-residents.