The Madrid Metro stands as the cornerstone of Spain's capital, weaving an intricate web beneath bustling streets and serving as a lifeline for the city's diverse population. Inaugurated on October 17, 1919, the Madrid Metro is not only one of the oldest metro systems in the world. With an extensive reach of more than 294 kilometers across 13 lines, the Madrid Metro is a vast network that caters to an ever-expanding urban landscape. The architectural diversity of its stations reflects the rich tapestry of Madrid's history, with some featuring avant-garde designs while others have timeless charm. Notable for its commitment to art in public spaces, metro stations often serve as galleries, displaying sculptures, murals, and other artistic expressions. Navigating its complex labyrinth of tunnels and platforms is not just a journey through the city, but a journey through the layers of history and culture that define the vibrant heart of Spain's capital.