The Historic Centre of Mexico City is listed in the UNESCO World Heritage List and it is the urban and architectural complex that constitutes the original nucleus around which the current Mexican capital grew. It is full of palaces, museums, churches, monuments and historical buildings like the Cathedral, National Palace, Palace of Fine Arts, National Art Museum, Post Palace, Alameda Park, Plaza Tolsá, Plaza de la Revolución, not to mention the 2nd largest square in the world: Zocalo Square.