Benefit for Sherman Day. Home Front Cafe in Altamont. 7 to 11:30 a.m. $10 all you can eat pancakes, meat, toast and beverage. 11:30 a.m. to 2 p.m. $12 all you can eat spaghetti and meatballs, salad, bread, dessert, beverage. Donations to “NY-Penn MVCC”

Mohawk Hudson Land Conservancy Hike-a-Thon at Huyck Preserve. Come hike the Huyck as part of MHLC’s annual Hike-a-thon event! Kelly Martin, local animal rehabilitator, will lead participants on a light walk and then conclude with a close look at her rescued animals. Head to www.mohawkhudson.org/hike-a-thon-2018 for more details. 10 a.m.

Northeast Postal History and Ephemera Show. Saturday, July 21, at 10 a.m. to 6 p.m. and Sunday, July 22, at 10 a.m. to 4 p.m. at the Polish Community Center 225 Washington Ave. Ext., Albany, 12205. nphes.com.

Garage mega sale at Thompsons Lake Reformed Church, 9 a.m. to 2 p.m. 1212 Thompsons Lake Rd, East Berne. 518-872-0432.

Campfire Storytelling at Thacher Nature Center. 6:30 p.m. Gather round a crackling fire to hear stories from our favorite storyteller Claire Nolan. Claire shares a fun, entertaining mixture of fairytales, legends and personal stories that have wide appeal for all ages. Bring a camp chair or blanket if you wish. S’mores fixin’s will be available. Materials fee of $1 per person. Please call 518-872-0800 to register.

The Empire State Aerosciences Museum at 250 Rudy Chase Dr. Glenville, NY will be hosting its monthly “Fly-In Breakfast” on Saturday, July 21, from 8:30 – 10:30 am. Enjoy pancakes, French toast, eggs, sausage, potatoes, juice, coffee, tea and more!

Summer Celebration and Hike-a-thon at 10 a.m. Multiple Locations in the Helderbergs (Indian Ladder Farms)  Offerings will include guided hikes, treasure hunts, outdoor yoga, animal tracking, outdoor art workshops, and more. Outings begin at 9 a.m. and Indian Ladder Farms at 12 p.m. https://mohawkhudson.org/hike-a-thon-2018/

Under the Stars with Dr. Valerie Rapson at 8 pm at Mabee Farm. Gather 'round the campfire under the stars! Special guest Dr. Valerie Rapson will be with us to lead a stargazing activity. Enjoy good company and tasty s’mores. Should the weather be less than ideal, we’ll head inside for Dr. Rapson’s presentation. $8 for each child and adult.

BROOKS BBQ from 2:30 - 6:30 p.m. Guilderland Fire Department, 2303 Western Ave., Guilderland.

History Paddle: Join Town Historian Susan Leath for a guided kayak paddle along the Hudson River and Vlomankill. Experience the historic Nicoll-Sill House, Winne’s dock, Parda Hook and, if the creek is passable, the waterfall on the Vlomankill.   Please arrive in time to unload and be on the water by 6 p.m. at the Henry Hudson Park kayak launch. Pre-register with the Town of Bethlehem Parks and Recreation Department, 518-439-4955 option 3.