Austin Facial Hair Club's 5th Annual Dog Beard and Mustache Competition. Does your canine have a crazy coiffure? Show it off at this dog-friendly fundraiser for the nonprofit Bully Ranch. There will be several different categories in the competition, including best groomed, gnarliest beard and owner and dog look-a-like. You can register your dog to participate in advance or as a walk-up. Bully Ranch is a refuge for pit bull and pit bull type dogs where they can receive rehabilitation and training to help them become valued members of a forever family. 2 to 8 p.m. Oct. 20. Free. The Little Darlin', 6507 Circle S Road. facebook.com/events/690191648006714/.

12th Annual Murder, Mayhem & Misadventure Walking Tour. It's an Austin tradition just before Halloween: Save Our Cemeteries' walking tour at the historic Oakwood Cemetery covers the chilling, untimely deaths of the "residents" of Oakwood, as portrayed by actors at their grave sites. The 45-minute tours highlight historical — and not scary — events from the 1870s-1910s and will start every 15 to 20 minutes near the Oakwood Chapel. It's advised to wear closed-toed shoes; plus, pets are not permitted. 10 a.m. to 4 p.m. Oct. 20. Free; donations accepted. Oakwood Cemetery, 1601 Navasota St. sachome.org/events/mmmtour.html.

The 17th Annual Oktoberfest at North by Northwest. There has been an Oktoberfest celebration held at the longtime North Austin brewery and restaurant for almost as long as NXNW has been around. The two-day affair has a bratwurst-eating contest, beer stein hoisting challenge, other German fare and NXNW's award-winning beers, live music, artisan booths, face painting and more. Music from TubaMeisters and the Oompahs plays throughout the afternoon both days, and special to Sunday is the ever-popular wiener dog costume contest (as well as one for any breed of dog 30 minutes later). Proceeds from the $2 donations go toward Texas Oncology, Massage Alliance and Texas Dachshund Rescue. Noon to 9 p.m. Oct. 20, 11 a.m. to 7 p.m. Oct. 21. Free; $2 suggested donation. 10010 N. Capital of Texas Highway. nxnwbrew.com.

Texas Archeology Day Fair. Learn more about the science of archeology with family-friendly activities at the Pickle Research Campus. Dozens of professional and avocational archeologists from across Texas will lead a wide variety of hands-on educational activities and demonstrations on many archaeological topics. Activities include pottery making, sandal weaving, rock art and more. The event is rain or shine and located in the Commons Learning Center. 10 a.m. to 2 p.m. Oct. 20. Free. 10100 Burnet Road. sites.utexas.edu/tarl/2018/10/.

Austin Fermentation Festival. At a new venue this weekend, you’ll find more than a dozen workshops on fermented food and beverages from Texas Cider Keeper, Hector Gonzalez, Kate Payne and Srsly Chocolate’s Bob Williamson, as well as samples from local chefs and vendors. They’ll have live music and a silent auction, too. 11 a.m. to 4 p.m. Oct. 21. Austin Central Library and Seaholm EcoDistrict lawn, 710 W. Cesar Chavez St. facebook.com/events/254024841830626/.