--You can see Spielberg's reflection in the TV

--In the Blockbuster video store, you can see ads for fake movies like:
--Robin Williams in Jack and the Beanstalk
--Arnold Schwarzenegger in King Lear
--Tom Hanks in Tsunami Sunrise.

--In San Diego look for the "No Dinosaurs, Skating, Skateboarding" sign.

--The guy in the San Diego scene that runs up to a window and then is eaten by the T-rex is the screenwriter David Koepp {in the credits he's listed as the "Unlucky Bastard"}.