Heather McDonald: Although perhaps best known for her roundtable appearances on Chelsea Lately, her book, You'll Never Blue Ball in this Town Again is a New York Times bestseller. 8 and 10:30 p.m., Improv Comedy Theater, 1600 E Eighth Ave., Tampa. $20. (813) 864-4000.
Creatures of the Night: The new Halloween event with activities for all ages includes scare zones, night time animal encounters and a ghoulish dance party. Included with admission. Special for this event, an after 4 p.m. ticket is available for $19.95. 9:30 a.m., Lowry Park Zoo, 1101 W Sligh Ave., Tampa. $29.95, $27.95 seniors, $22.95 ages 3-11, 2 and younger free. (813) 935-8552.
Clearwater Jazz Holiday: Funk, soul, Americana and collaborations galore hit the stage for the 37th annual festival featuring a line up Preservation Hall Jazz Band and Trombone Shorty and Orleans Avenue. 4 p.m., Coachman Park, 301 Drew St., Clearwater. $16 per day, $45 reserved, $170 VIP; $52 four day package. (727) 461-5200.
Vault of Souls: Tampa's reservations only haunted attraction immerses you into the story line to a point where you become a character in the show. Each room is explored in the first person and unfolds your destiny. There is no time limit and the living must find their own way out. Make a reservation at elegantfear.com. Slots available between 6 and 11:30 p.m. every Friday and Saturday in October. The Gin Joint stays open until 2 a.m. 6 p.m., The Vault, 655 N Franklin St., Tampa. $100. (813) 842-6958.
Sacred Heart Fall Festival: Sacred Heart's annual community event features carnival rides, live bands, mixed entertainment, food, games and craft vendors. Benefits Sacred Heart Interparochial Catholic School. 6 p.m., Sacred Heart Interparochial School, 7951 46th Way N, Pinellas Park. Free; $12-$20 (rides). (727) 541-4447.
Murder House: Descend to the eerie basement of the Cuban Club for the new "Ybor is Haunted at Murder House" haunted attraction. Benefits Big Cat Rescue. 7 p.m., Cuban Club, 2010 N Avenida Republica De Cuba, Tampa. $10. (813) 605-3323.
Il Trovatore: Verdi's tale of family, love, revenge and death is sung in Italian with English subtitles. 7:30 p.m., Palladium Theater, 253 Fifth Ave. N, St. Petersburg. $22-$67. (727) 822-3590.
Ratt: Big Hair 2 will feature Bobby Blotzer, a solo acoustic set by Kip Winger and Jack Russell's Great White. 8 p.m., Cuban Club, 2010 N Avenida Republica De Cuba, Tampa. $19.99. (813) 248-2954.
Rocky Horror Picture Show Movie Party: Bring your props or come in costume to celebrate Halloween and The Rocky Horror Picture Show with a sing-a-long and shadowcast by the Cheap Little Punks. 8 p.m., Ritz Ybor, 1503 E Seventh Ave., Tampa. $12. (813) 247-2555.
1776: 1776, the Musical is a story based on the events surrounding the signing of the Declaration of Independence. 8 p.m., Tarpon Springs Performing Arts Center, 324 Pine St., Tarpon Springs. $25 / $24 for groups 10+; $22 for members and students. (727) 942-5605.
Lizzie: Four women front a six-piece rock band to tell the story of Lizzie Borden with gallows humor. The New York Times called the gothic rock opera "deliciously watchable." Through Nov. 6. 8 p.m., Shimberg Playhouse at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $29.50. (813) 229-7827.
Stolen Rhodes : Expect guitar solos when this Southern rock band takes the stage. Blues-rocker, Scotty Bratcher opens. 8 p.m., Skipper's Smokehouse, 910 Skipper Road, Tampa. $7-$10. (813) 971-0666.
KIDS AND FAMILY
Jurassic Quest: Walk among more than 50 life-sized animatronic dinosaurs. Kids can also ride dinosaurs, dig for bones, run in inflatable mazes and jump in a "dino bounce." 3 p.m., Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $20, $18 seniors/military, $15 ages 2-12. (936) 588-3332.
MORE TO EXPLORE
Plan your weekend at tampabay.com/things-to-do.