Take a look at a simple-to-follow subway map for this bustling city in Turkey.

Peruse MetroPlanet's map of the underground rail system in Athens, with station names.

Color map of the Bucharest subway system is augmented by brief overview and chronology of the service.

Check out this color map of the Budapest metro system laid out against the backdrop of the city's grid system.

Fast-downloading, easy-to-read map of the metro rail system in Budapest provides station identifications.

Basic map of the subway system lines and stations in Copenhagen provides a chronology of the rail line, plus related links.

Good map for those planning trips around Geneva, Switzerland. Shows rail lines and station stops against a backdrop of the city's street grid.

Shows subway system routes and station stops for this Scottish city's central and western zones.

Learn about the subway system of Finland's capital city with this map from MetroPlanet. Includes a lengthy overview of the system's history.

Examine the various station stops throughout the popular city of Lisbon with this subway map from Robertson Studio. Includes a service history.

Excellent and colorful map details the subway system for Oslo. Provides a chronological history of the service.

Peruse a map of this Bulgarian city's subway system, and learn a little about the history of the service.

Allows users to find routes all over the world. Select a city, and enter departure and arrival points, or consult the list of stations or a map.