On the right side of Gran Vía stands the Telefónica building. At 88 meters high, it was Madrid's first skyscraper. It was designed by American architect Louis S. Weeks and built in 1929. Its peak, wit

September 2022 - I forgot to post this review. Very interesting museum they show and explain the evolution of telephones, of the way of communicating, it is also an interactive museum. I would recomme

Es una de las torres míticas de la Madrid del siglo XX. Es un edificio muy interesante, puntero en la tecnología de su época. En la actualidad acoge la fundación Telefónica que acoge exposiciones.