Open Cabin Day Tour: 1 p.m., Old Mill Park, 237 Pratt St., Longmont. Step back in time and explore the rich history of Old Mill Park. Wander through historic cabins and buildings while friendly docents share stories about the park’s heritage, structures and the people who shaped its past. Don’t miss this chance to experience history up close. $12, 303-776-1870.

Sunday Sip and Shop: 1 p.m., The Garden at Left Hand Brewing, 1245 Boston Ave., Longmont. Grab a cold beer and wander the Garden Market. Over 30 Colorado vendors will be set up in the beer garden, offering a fantastic selection of local goodies, treats and handcrafted gifts. Enjoy the vibe with DJ Digistruct spinning live beats. Free, lefthandbrewing.com.

Firehouse Artist’s Circle: noon Monday, Firehouse Art Center, 667 Fourth Ave

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