Madrid, the capital of Spain, is known for its art, architecture and nightlife. It has many cathedrals and over 100 museums. Must-see places include the Royal Palace and Puerta del Sol square. Madrid also has hundreds of notable bars and nightclubs. Barcelona, Spain's second largest city, is a major port located on the Mediterranean coast. As one of the most famous tourist destinations, it has the iconic La Rambla boulevard and La Placa Catalunya square. A 6-day package tour visits both cities, including accommodations and optional day trips.