11. Hallow’s Eve Beer Bash and Costume BallSaturday, October 26, 8 p.m.-1 a.m.
This Halloween party at the Maryland Science Center features five rooms of local music and local beer, including brews from Flying Dog, Brewer's Art, Union Craft, and Stillwater Artisanal Ales. DELTAnine will play a live soundtrack to IMAX movies while DJs play in the Maryland Science Center's new HD planetarium. Admission is $25 in advance or $30 at the door. Visitors can also tour the Mummies of the World exhibit for an additional an extra $13 per person.
12. HallowmarineSaturday, October 26-Sunday, October 27, 10 a.m.-2 p.m.
The National Aquarium, Baltimore will celebrate Halloween with a special series of creepy-crawly animal encounters, a "scare"venger hunt, a pumpkin carving contest, craft workshops and more. Costumes are encouraged and activities are free with admission to the aquarium.
The Creative Alliance at the Patterson will host a day of hay rides, lantern making, a costume contest, food trucks, and more. The day culminates with the Halloween Lantern Parade at 7 p.m., when more than 1,500 lanterns will light up the area. The parade steps off from the Pulaski Monument in Patterson Park.
14. Spooky Science
Saturday, October 26, noon-4 p.m.
The Maryland Science Center will host an afternoon of creepy chemistry, devious demonstrations, and hair-raising activities, including some spooky reptile visitors. Free with paid admission to the museum.
15. Heavy Seas’ Haunted Pub CrawlSunday, October 27, 5:30 p.m.
Stroll the streets of Fells Point, one of the most haunted places in Baltimore, on a guided ghost walk and pub crawl with Heavy Seas. A $25 ticket includes a free Heavy Seas beer, appetizers at Alexander’s Tavern (the first stop on the tour), and discounted prices on Heavy Seas beers on all stops on the tour.