Steven Spielberg's 1993 blockbuster Jurassic Park will be retroactively enhanced by 3-D technology and re-issued to theaters on July 19, 2013- approximately 20 years from the date of its original release. The film stars Sam Neill, Laura Dern, Jeff Goldblum, Richard Attenborough and a whole lot of dinosaurs. Click here for a gallery of on-set photos from Spielberg movies.