iVenture Card Madrid. See more of Madrid, for less, with the iVenture Card Madrid a money-saving attraction pass that offers access to up to 23 of the Spanish capital’s most popular sites. Pick between 3-, 5-, 7- and unlimited-attraction cards, granting access to Madrid activities and attractions like a guided tour of the Prado Museum, a Real Madrid tour, a Madrid city sightseeing tour and much more. Best of all, you call the shots on what to see and do. The choice is up to you. Book and Save 10%: iVenture Card Madrid.