Events & Activities
Join us throughout the year at the Adams County Fairgrounds for flea markets, fairs, tractor shows, and more.

Stop by the Lewis Round Barn and the Olde Tyme Site, during the fair for tours and free demonstrations of log cutting, blacksmithing, and wheat threshing.

First Annual Fall Festival
Join us for our First Annual Fall Festival at the historic Lewis Round Barn! A celebration of autumn with family fun, heritage demonstrations, and community spirit.

Monthly Meeting
Our monthly association meeting kicks off the warm-weather season — members gather to finalize spring plans, walk through upcoming flea market prep, and share updates on preservation work across our heritage sites. New members and visitors are always welcome to attend.

Monthly Meeting
Our monthly association meeting — members gather to recap the spring flea market, lock in Adams County Fair week preparations, and share updates on preservation work across our heritage sites. New members and visitors are always welcome to attend.

Lewis Round Barn Tours
Step inside a true architectural marvel! Our 100-year-old round barn opens its doors for guided tours of the antique farm implements, the three-room loft home, and the historic silo. A great family outing for anyone curious about rural Adams County life in the 1930s.

Monthly Meeting
Our monthly association meeting — members gather to finalize Adams County Fair logistics, walk the heritage sites for last-minute touch-ups, and share updates on ongoing restoration projects. New members and visitors are always welcome to attend.

Monthly Meeting
Our monthly association meeting — members gather to review fair activities and thank-you notes, begin fall flea market prep, and share updates on preservation work at our heritage sites. New members and visitors are always welcome to attend.

Lewis Round Barn Tours
Step inside a true architectural marvel! Our 100-year-old round barn opens its doors for guided tours of the antique farm implements, the three-room loft home, and the historic silo. A great family outing for anyone curious about rural Adams County life in the 1930s.

School Days
A special educational day for all regional 4th graders! Students visit our One-Room Schoolhouse and heritage sites for hands-on lessons in rural 19th-century life — slate boards, ink pens, and a bell on the porch bring history to life.

Monthly Meeting
Our monthly association meeting — members gather to review the fall flea market results, outline the winter maintenance list for the heritage sites, and share updates on preservation work across the grounds. New members and visitors are always welcome to attend.

Lewis Round Barn Tours
Step inside a true architectural marvel! Our 100-year-old round barn opens its doors for guided tours of the antique farm implements, the three-room loft home, and the historic silo. A great family outing for anyone curious about rural Adams County life in the 1930s.
All events are held at or near the Adams County Fairgrounds on Hwy 336, south of Mendon, IL. Dates are subject to change — check back for updates or call (217) 430-4434.

