B&O Unlocked | B&O Railroad Museum

B&O Unlocked returns in 2025!

Step into a variety of our historical marvels as their doors open for a limited time! Each month, you will have the chance to explore the interiors of a new museum collection piece and hear about their amazing histories.

This year, you can expect a chance to step inside nine new pieces and two fan-favorites!

To join us on this journey through history and save, purchase a B&O Membership receive free admission for each collection piece. Don’t miss this opportunity to unlock the doors on these historic pieces!

Step inside the complete 2025 series!

B&O No. CE-15 Tunnel Clearance Car

January 15, 18 & 19

The CE-15 is believed to be the world’s only surviving tunnel clearance car and serves as a testament to a pivotal moment in locomotive design.

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B&O No. CE-10 Electric Switcher

February 19, 22 & 23

The B&O No. CE-10 worked on the small rail network of Fells Point to keep Baltimore industry moving.

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GC&E No. 1 “Shay”

March 19, 22 & 23

The GC&E No. 1 “Shay” is an asymmetrical engine designed to navigate the uneven tracks and sharp curves of logging country.

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B&O No. X-4055 Camp Car

April 16, 19 & 20

The B&O No. X-4055, also known as the B&O No. 4723 and nicknamed “Thendara,” was originally constructed as a sleeper car and later refashioned to serve as a Maintenance-of-Way (MOW) camp car in the 1960s.

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B&O No. C-2943 Caboose

May 21, 24 & 25

The B&O No. C-2943 is an example of an I-7A caboose, which is known for its steel body and protruding bay windows.

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B&O No. 3684

June 18, 21 & 22

The B&O No. 3684 was the first locomotive to arrive to the B&O Railroad from a purchase of 16 GP-40 diesel-electric engines.

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WM 195 Switcher

July 16, 19 & 20

The WM No. 195 is a multi-purpose engine made to travel as fast as a mainline locomotive and was used for over two decades to pull heavy coal trains.

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B&O No. B-29 Jordan Spreader

August 20, 23 & 24

The B&O No. B-29 is a “Jordan Spreader,” a type of maintenance car that is considered by some to be the earliest type of railroad maintenance equipment.

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B&O No. 633 Switcher

September 17, 20 & 21

The B&O No. 633 is a diesel switcher of the SW-900 model that still occasionally operates at the museum.

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B&O No. 3302 “Edward G. Hooper” Observation Lounge

October 15, 18 & 19

The B&O No. 3302 “Edward G. Hooper” Observation Lounge, serves as a reminder of luxury passenger service and traveled with the Royal Blue and the Ambassador.

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