Deering Estate presents “Platform 450,” which will display site-specific works produced through a range of multidisciplinary art practices in virtual reality, 3-D modeling and new media. 10 a.m.-4 p.m. Deering Estate, 16701 SW 72nd Ave., Palmetto Bay. Details: (305) 235-1668 Ext. 244 or http://www.deeringestate.org/deering-spring-contemporary/.