(4-Adult) Explore Colvin Run Mill to see how it operated in 1811. Hear and feel the Mill grinding grain. Learn about Oliver Evans and his first US patents that revolutionized food production. Try your hands at simple machines. Visit the 19th century Miller's House and stop by Colvin Run General Store to purchase our ground grain.

(Adults) December in the late 1800s might have included a Ladies Housekeeping Society tea hosted by Mrs. Harrison. The halls of Huntley will be decked and we’ll share some Christmas history with you as you enjoy teas, scones, fruit and a light savory.

(5-Adult) Churn butter, crank ice cream, and experience the products of a historic dairy. Come visit and learn more about the importance of dairy farms in Fairfax County’s past. Children must be accompanied by an adult.

(6-Adult) Hike the trail and learn about the history of abandoned sites hidden from most visitor’s view. Follow trails of forested areas and Cain’s Branch waterway to learn about the life of early inhabitants who made Sully their home. This outdoor guided program does involve some walking over uneven terrain and along trails. Program is held weather permitting.

(3-Adult) Bring your child to the Mill and celebrate Fall. We’ll have tea, savory and sweet treats and play 19th century games. Children must be accompanied by a registered adult.

(5-Adult) Join us for a family friendly tour of Historic Huntley high upon a hill in celebration of the 200th anniversary of the historical villa. Children must be accompanied by a registered adult.

(All Ages) Bring Dad or Grandad out to see and hear 19th century technology at work. The miller will be grinding, conditions permitting. Please call the site to confirm. Free admission for Fathers and Grandfathers.

(1-3 yrs.) Hop through history with your toddler as they explore the past through sight, sound, smell and touch. This interactive program features both indoor and outdoor activities. Adults must participate with children. A new historical topic is introduced every month. 

(6-10 yrs.) Explore how scientific developments changed people's lives. Topics include Simple Machines and Physics, Flight, Spy Craft and Bubbles.

(3-Adult) Enjoy a summer afternoon like the miller's family did in the 1800s. Churn and Eat ice cream. Play with historic games and toys, then make a toy to take home.

(All Ages) Make and enjoy hand-cranked ice cream as Huntley's Harris family may have done. Discover how the histories of ice cream and Huntley follow a similar path from elite luxury to family fare. Ice well and Historic Huntley House tour included.

(4-Adult) Crank ice cream as you discover how ice was harvested and stored in this 19th century farm. Try using ice tongs. Children must be accompanied registered adult.

(10-Adult) Watch an outdoor screening of Pride & Prejudice (2005) at the 19th century gristmill. Bring your own blanket or low lawn chair. Refreshments and concessions will be available for purchase. The Miller's House Exhibit will be open for self-guided tours at 7:30 p.m. and will close at the start of the film. The film will start at sunset - 8:30 p.m.

(3-Adult) Bring your child to the mill and celebrate summer with this white rabbit themed tea party. You'll enjoy tea, savory and sweet treats, crafts and 19th century games. Free film screening following tea service. Children must be accompanied by a registered adult.

(3-Adult) Celebrate National Ice Cream Day. Bring a picnic dinner to your local park to enjoy with your family and friends. Play games and make ice cream.

(14-Adult) Come learn about Metilda, an enslaved 14-year old girl who came to live at Colvin Run Mill. Discuss her life at the mill and the house. Examine what history tells us about the lives of enslaved children, their work, and their families. 

(12-Adult) Learn about the lives and legacy of the people enslaved at Sully Historic Site from the 1700s to the Civil War. This tour includes a walk into the original outbuildings, main house and representative housing for the enslaved. Sully is on the National Register of Historic Places and is part of the National Park Service Underground Railroad Network to Freedom. The tour is held weather permitting.

(Adults) Take a stroll with us on the less-visited side of the park to uncover the history of spies, espionage and how the Cold War struggle between the US and the USSR shaped Huntley and the Fairfax County we know today. Meets at South King Highway entrance includes a 2.4 mile walk over flat terrain.

(21 yrs.+) Follow whiskey's journey from grain to glass! Explore the 19th century gristmill cracking the needed wheat, learn about the distilling process and taste local spirits from Mt. Defiance Cidery & Distillery. The historic relationship between mills and distilleries was as important then, as it is today. Snacks will be provided.

(3-Adult) Bring your child to the mill and celebrate Spring. We’ll have tea, savory and sweet treats and play 19th century games. Children must be accompanied by a registered adult.

(6-Adult) Discover the bounty of edible plants in your backyard and learn practical knowledge about cultivating herbs with culinary and medicinal benefits. Explore Sully's collections and stories as examples of how the people of Sully survived without todays modern conveniences.

(6-Adult) Discover more about the turbulent history and importance of Sully and Fairfax County during the Civil War. Tour the historic site and learn about the different figures who experienced the war at Sully. Hear about Maria Barlow, who encountered and dealt with troops on both sides. Gain a better understanding of the effects the war had on Fairfax County and why it matters today.