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Membership

Experience Our Castles and All We Offer…Become a Member!

Our Members share our passion for history and as a Member you receive exclusive privileges. Your membership matters and directly supports learning opportunities for children and adults. Enhance your experience of the Mercer Museum & Library and Fonthill Castle and begin your exploration by becoming a member today!

If you have any questions regarding your membership, please contact membership@mercermuseum.org.

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Admission Fees for Mercer Museum Admission Fees for Fonthill Castle

ROLLO'S FACTS

Henry Mercer was 51 when he began building the first of his three concrete structures, his home Fonthill, 1908-1910.
Rollo's Fact 1
WHO'S ROLLO?

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• Fonthill Castle will be closed on Friday, August 21, & Saturday, August 22, 2026, for our annual Fonthill Castle Beer Fest fundraising event.

More information & tickets can be found here. Fonthill Castle will reopen to the public on Sunday, August 23, 2026 at 12 P.M.

• Saturday, August 29: Fonthill Castle will close early for a private event. The last tour will begin at 2 P.M.

• Sunday, August 30: Fonthill Castle will close early for a private event. The last tour will begin at 2 P.M.

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