Delve into magnificent buen retiro park madrids most popular relaxation spot on a 15 hour small group guided walking tour and then enjoy skip the line entry to the prado museum stroll around the retiros gardens tree lined avenues and monuments as your guide details the parks history and design see the crystal palace church of san jeronimos and other attractions and afterward enjoy fast track entry to the world famous prado museum explore independently to see works by el greco goya