PM No. 11 "Pere Marquette" | B&O Railroad Museum

The PM No. 11 “Pere Marquette” was one of nine locomotives heavily damaged by the Roundhouse roof collapse on Feb. 17, 2003.

The “Pere Marquette” was restored in 2004 and is currently on display at Platform 1 at the Museum.

Photos: B. Miller

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Historic Site

The B&O Railroad Museum’s 40-acre historic site, called Mt. Clare, is a National Historic Landmark and is the original site where the Baltimore and Ohio Railroad founded America’s first commercial railroad in 1827.

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Jeffery O.

December 2024

Wonderful rail museum with many historic engines, passenger cars, mail car, troop transport, and more. Several models layouts including the Smithsonian collection of models which was amazing. Wonderful presentation on the underground railroad. We will visit again.