Support-A-Walk for breast and ovarian cancer. Oct. 7. 9 a.m. Join the 18th Annual Support-A-Walk for breast and ovarian cancer awareness in Yorktown Heights to bring attention to the needs of people impacted by breast and ovarian cancer. The walk is presented by Support Connection, Inc. Procees go to Support Connection’s free support services for people affected by breast and ovarian cancer. To learn about Support Connection or to participate in this event, visit www.supportconnection.org. Franklin D. Roosevelt State Park, 2957 Crompond Rd, Yorktown Heights. Free.
Horseman's Hollow. Oct. 7. All day. Head to Philipsburg Manor for the ultimate haunted experience as third-annual Horseman’s Hollow returns. There's a haunted trail showcasing scenes from a town driven mad by the Headless Horseman, scary zombie-like creatures, and a twisted trail maze of horrors. Not suitable for small children. Philipsburg Manor & Kykuit Visitor Center, 381 N Broadway, Sleepy Hollow. $20.
Crystal Tracks Bracelet Class. Oct. 8. 11 a.m. Get creative with crystals when you make your own ladder-base crystal bangle-shaped bracelet. Some experience required. Beads Mosaic, 78 S Middletown Rd, Nanuet. $50.
Film: Cages of Shame. Oct. 9. 7:30 p.m. Cages of Shame tells the story of 10 bears rescued from a bile farm in Shandong Province, China. Directed by Martin Guinness and narrated by Emmy Award winner Peter Coyote. All proceeds from this screening go to the Tarrytown Music Hall and the Animals Asia Foundation. Tarrytown Music Hall, 13 Main St, Tarrytown. $20.
Celebrities: We Remember Them Well. Oct. 6. Noon. See approximately 150 rare celebrity portraits on display including John Lennon and Yoko Ono, Marilyn Monroe, and Louis Armstrong. The photos are culled from private collections and galleries. All photographs are for sale. The exhibit runs through Nov. 10. ArtsWestchester, 31 Mamaroneck Ave, White Plains. Free.
PJ Walsh Returns for Comedy Nights. Oct. 6. 7 p.m. Comic PJ Walsh, a Brewster native, returns to his roots for another comedy show benefiting local veterans. The show is presented by H. G. Fairfield Arts. For more information please contact Kim Blacklock at 845-363-1559 or e-mail Office@HGFairfieldArts.org or visit www.hgfairfieldarts.org/ and www.pjwalsh.com.
Nyack Antiques and Collectibles Street Fair. Oct. 7. 10 a.m. The Nyack Art, Craft, and Antiques Dealers Association presents its annual street fair with more than 200 exhibitors. Kids have a play area and all can enjoy festival foods. Main St & N Broadway, Nyack. Free.