Puerta del Sol

Central square in Spain's capital, renowned for its New Year's Eve celebrations and the "Kilometre Zero" plaque marking the country's radial centre.

Puerta del Sol Guides

• Madrid itinerary

  chiefseeker (Jody Vandergriff)
  Madrid wins the award for the most underrated city in my book. We planned a quick stay here before heading to Barcelona and ended up leaving a piece of our hearts. These were our favorite spots and could be done in 2-3 days. But the best thing to do in Madrid is to just get lost in the streets.