About 4,000 feet long, Les Rambles is Barcelona’s most famous street. It starts at Plaça Catalunya and ends at the harbor, where Columbus stands proud on a tall column and points out to the sea. There are crowds of people at all hours of the day and night, it’s loud, and yet, it’s a must-see destination. Don’t miss the street artists and the flower stalls under the plane trees. Some of the traditional newspaper kiosks are open all night.