Market Street Railway This organization preserves historic streetcars and runs them on the streets of San Francisco the only streetcar museum in operation as a transit system. Photo gallery, news and features, restoration projects and schedules.
http://www.streetcar.org/
Pennsylvania Trolley Museum Mission is to preserve and interpret the history of street railways, emphasizing the unique broad gauge systems in Pennsylvania. History, visitor's guide, schedules, map, contact information, newsletter, yearbook, photo gallery, special projects,
http://www.pa-trolley.org/
Virginia Air and Space Center Offers a collection of more than 100 hands-on, traveling and permanent exhibits investigating themes in air and space, science history and technology. Includes information on exhibits, programs, IMAX theatre, and museum store.
http://www.vasc.org