It's free It's beautiful…read more It's not crowded. The Crystal Palace is close currently but you can check it out. People are just hanging around and just take pictures. There's places you can sit down eat or just grab a drink.

Retiro Park is like the Central Park of Madrid. This gigantic park has it all. Large grassy areas…read morefor a picnic or long pathways to run or walk. A big lake in the center to rent a row boat and ride around or a crystal palace to swoon over. Retiro is big and it can be hard to see everything on foot. There are lots of available rental bikes to make your trip throughout the park even easier.