To illustrate this point, consider that Microsoft, started in 1975, reached a peak equity market valuation of over $500 billion in 2000, yet is currently worth just over $200 billion (September 2010).
Madrid is a remarkable capital city with numerous interesting attractions that reveal an important history. The must sees of the city include Old Madrid, the Museo del Prado, the Palacio Real (Royal Palace), its gardens, Retiro Park, and the city's many fine and famous plazas.
Presentation. Madrid is a large city, but it has the advantage of having most of its monuments, museums and points of interest concentrated within a relatively small central area, meaning you can explore it on foot.