The City of Miami Beach is working alongside some of the world’s best cultural institutions to provide a night of free, unique and unforgettable experiences. Every third Thursday of the month, from 6 p.m. to 9 p.m., Miami Beach will come alive with culture as various institutions and buildings open their doors to give you just a taste of what they have to offer. From backstage tours, exhibition openings and free film screenings in the park, there will be something…