Located across the Charles River, Cambridge is home to both Harvard University and Massachusetts Institute of Technology. Cambridge is also home to many large pharmaceutical companies creating a mix of residency between working professionals and students. This densely residential space is noted for its diverse population, both economically and racially. Cambridge is rich in culture and history, providing many museums and innovated contemporary architecture. Access to the city of Boston can be obtained via the MBTA Commuter Rail, the Lechmere stop on the Green Line as well as additional stops on the Red Line.