The Society is dedicated to the preservation of and education about the history of America’s first Common Carrier Railroad, the Baltimore & Ohio. The Society has members all over the world across a variety of railroad interests from modeling to research to preservation.

The Society maintains a large archive of documentation from the Office of the Vice President of Operations and Engineering from the B&O Railroad. We are also the custodians of numerous photographs and other items of research. We are constantly publishing our findings through our Company Store. Our Archives area is open one weekend a month to facilitate members who which to pursue their B&O research efforts. The Society also publishes a quarterly magazine, The Sentinel.

The B&O Railroad Historical Society is always welcoming new members.

The Historical Society of Carroll County is a not-for-profit, educational institution dedicated to collecting and preserving materials and interpreting the history of Carroll County, Maryland.  It endeavors to further public interest, knowledge, understanding and appreciation of Carroll County.  It provides its membership and other constituent groups with a full array of products and services including on-going activities, exhibitions, public programs, research and publications.