Exploration of subways around the world, including arts and architecture, logos, unique destinations, FAQs and trivia, and pictures.
Flickr: Metro / Subway
Collection of photographs from systems around the world, contributed by individual photographers.
Flickr: Metros (Around the World)
Subway and metro cars, tunnels and stations, signs and people from around the world.
Subway, metro, underground, skytrain, mono-rail, MRT, MTR... the self portrait spirits of city.
Flickr: Subway Around the World
Subway pictures taken on the subway/ underground around the world.
Flickr: Subway photos
Photos of people waiting for their train, taking a ride home, or abstract photos of the subway itself.
Flickr: Underground Subways
Images of underground railways and subway systems from around the world.
Flickr: Undergrounds and Subways
Photos taken from the undergrounds, metros and subways.
The Schumin Web Transit Center
Gallery of public transportation photos and videos from rail and bus systems in the United States.
The Subway Page
Maps for subway transit systems from a number of cities all over the world.
Information on subway systems organized by continent, and news, links, literature, and a gallery of general subway information.