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Maryland Historical Trust

Research

To plan for, protect, and interpret a historic place, it’s necessary to understand that place's evolution, history, and significance. Maryland Historical Trust helps researchers find this information through libraries and online resources.

GIS map of Baltimore with colored shapes indicating various sites and districts.

Explore Maryland’s History with Medusa

Discover and map Maryland’s historic treasures using Medusa. This powerful, interactive GIS tool lets you explore an extensive database of architectural and archaeological resources. Whether you are a researcher or a history enthusiast, Medusa provides instant access to records from the Maryland Inventory of Historic Properties (MIHP) and the National Register of Historic Places (NRHP).

Visit Medusa

More online resources

Visit a library or conservation lab

People working at an archaeological dig site in a field under cloudy skies, with equipment and canopies.

Discover Architectural Research at MHT

Explore how MHT uncovers Maryland’s stories. From documenting women’s suffrage sites to American Indian heritage, our staff leads vital research and surveys.

View current and recent architectural projects