Search the Catalog

Interested in delving more deeply into the collections? Click on the three links below to explore our online catalogs!

The catalogs provide information about thousands of artifacts, books, documents, and images in the collections of the Mercer Museum, Research Library, and Fonthill Castle. Only a small percentage of our collections are currently available online. However, we add hundreds of new items each year.

Search Museum Collections


Search Archival Collections


Search Library Collections



Fonthill has over 200 windows all of varying sizes!
Rollo's Fact 10

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•On Saturday, June 25th, 2022, the last tour at Fonthill Castle will be at 2pm due to a private event.
•On Tuesday, July 5th, 2022, Fonthill Castle will be closed to the public. The Mercer Museum will be open on July 5th.
• Effective Tuesday, March 1, 2022, face coverings are optional at our two sites. Learn more about our Covid-19 policies.