Capacity: 524 sq. ft.
Date opened: April 2010
The German MS Stolzenfels is the world's first and so far only ship with a Subway restaurant. Passengers experience beautiful stretches of the Rhine River in Germany, with the option of eating a foot-long sandwich at the same time.
This huge cruise ship operates on a daily basis between Rudesheim and Koblenz and has a capacity of over 100 potential Subway customers per journey.
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Last updated March 10 2011: 3:25 PM ET