The Maryland Science Center, located in Baltimore, Maryland's Inner Harbor, opened to the public in 1976, with 3 levels of exhibits, a planetarium and an observatory.
The Maryland Science Center opened to the public in 1976. This was with 3 levels of exhibits. This was with 3 levels of a planetarium. This was with 3 levels of an observatory. The Maryland Science Center was located in Baltimore. Baltimore was Maryland's Inner Harbor.