Cibeles Palace, also known as Palacio de Cibeles, is a stunning architectural gem located near Retiro subway station. Originally built as a post office, this majestic building now serves as Madrid's City Hall. Its grand facade, adorned with intricate sculptures and beautiful fountains, is a sight to behold. Inside, you'll find art exhibitions, cultural events, and even a rooftop terrace with panoramic views of the city. Whether you're interested in architecture, art, or simply want to enjoy the breathtaking views, Cibeles Palace is a must-see attraction.