This year's summer is a real scorcher for Europe, with temperatures hitting a high of 40 degrees Celsius in many European capitals, including Madrid. That has not stopped me though from going out and exploring the Spanish capital during a recent visit. In the mornings when the temperature was tolerable I would visit outdoor attractions, but when the mercury started rising, I would duck into the air-conditioned museums. After all, Madrid is known for its wonderful museums, with the three major ones Museo del Prado, Museo Nacional Centro de Arte Reina Sofia, and Museo Thyssen representing the best in Spanish art and European collection, from pre-Renaissance to modern era. Museo del Prado hosts the classics while Reina Sofia houses modern collections including Spain's most famous export Guernica by Picasso. Thyssen is a private museum, with a vast and rich collection from across the ages. A bonus: it has a nice cafeteria, where I indulged on Spain's sinful coffee bombon, espr...