Looking to cram as much Gaudí into your weekend in Barcelona as possible? This is the package for you.

Antoni Gaudí is undoubtedly Barcelona's most famous architect. Visit three of the houses he designed, Casa Batlló, Casa Milà, and Casa Vicens all with one easy, time-saving pass on your smartphone.

Also included in this ticket is a handy, downloadable Barcelona audio guide for your mobile device, available in six languages. Just plug in for bonus information on the attractions.