A weekend in New York.
"New York City is a center for media, culture, food, fashion, art, research, finance, and trade. It has one of the largest and most famous skylines on earth, dominated by the iconic Empire State Building." Wikitravel
Since the fall of the Wall and German reunification, Berlin has experienced an incredible effervescence of prestigious architectural projects. Many public buildings were built or renovated and private sector was also part of this momentum with buildings like the Sony center, the Deutsche Bahn Tower and Pariser Platz.
Overview of a weekend in Madrid.
"With the surrender of Toledo by Alfonso VI of León and Castile, the city was conquered by Christians in 1085, and it was integrated into the kingdom of Castile as a property of the Crown."