The Museo de América is a unique museum near the Retiro subway station that focuses on the art, archaeology, and ethnography of the Americas. It offers free admission on Saturdays from 2:00 PM to 8:00 PM and on Sundays. The museum's collection includes pre-Columbian artifacts, colonial art, and ethnographic objects from various indigenous cultures. Visitors can explore the rich cultural heritage of the Americas and gain a deeper understanding of the diverse civilizations that flourished in the region.