Florida Georgia Line: The duo, known for their fusion of country, rock, hip-hop and pop, broke onto the music scene with the 2012 hit Cruise. Nelly, Chris Lane and Russell Dickerson open. 7 p.m., MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $25- $65.75; $149-$749 Country Megaticket. (813) 740-2446.
Oktoberfest Tampa: Tampa's waterfront park transforms into a giant beer garden, with traditional dancing, keg tappings, games, stein hoisting, keg stacking, tug of war, brat toss and carry the wench. 4 p.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. $10, $25 weekend. (813) 397-8722.
Spirits of St. Petersburg: St. Petersburg's paranormal team, SPIRITS takes you on a tour of the 100-year-old building. Tours at 6:30, 7:30 and 8:30 p.m. 6 p.m., Patty and Friends Antique Mall, 1241 Dr. Martin Luther King Jr. St. N, St. Petersburg. Free (registration required). (727) 822-2106.
Halloween Harvest Festival: The two-day annual event includes a haunted house (recommended for ages 8 and older), hayrides, games, face painting, food, pet masquerade and costume contests for children. 6 p.m., Hernando County Fairgrounds, 6436 Broad St., Brooksville. Free admission. Game tickets, four for $1, haunted house $4, hay ride $3; $2 entry fee for pet masquerade and $2 entry fee for costume contests. (352) 754-4031.
A Nightmare on Franklin Street: Ghost Tour: A Halloween series featuring horror films, family friendly spooky movies, creepy cult favorites, ghastly ghost tours and other surprises. 11:30 a.m. and 5:30 p.m., Tampa Theatre, 711 Franklin St., Tampa. Price varies by event. (813) 274-8982.
Four Seasons Author Series: The New York Times bestselling author Lisa Unger will discuss her unique and inventive character-driven thrillers. Noon, University Club, One Tampa City Center, 38th Floor, Tampa. $40; includes lunch. (813) 273-3616; foltampa.org/events.
Creatures of the Night: The Halloween event with activities for all ages. $22.95 after 4 p.m., 2 and younger free. Lowry Park Zoo, 1101 W Sligh Ave., Tampa. $32.95, $24.95 ages 3-11, 2 and younger free. (813) 935-8552.
Florida Birding & Nature Festival: Festival during central Florida's peak bird migration period. 9 a.m., Hillsborough Community College SouthShore, 551 24th St. NE, Ruskin. Free admission, extra charge for seminars ($20), field trips ($30-$65), and other events. (813) 444-0115.
Hicks House of Horror: Like werewolf transformation, the caring medical center by day turns into a deranged hospital of horrors after the sun sets. Benefits Sun Coast Hospice. 6 p.m., West Coast Family Medical Care, 3165 McMullen-Booth Road, Clearwater. Donations appreciated. (727) 787-3911.
River of Frights: Your brave captain guides you through waterways filled with lurking, live, interactive terror entertainment. Departs at 7, 8, 9 and 10 p.m. 7 p.m., Pirate Water Taxi Stop 2, 603 Channelside Drive, Tampa. $25-$35. (813) 390-3711.
Haunted Angelus House: Situated on 25 acres of land, the PG-13 rated haunt features an all ages haunted house and haunted hay ride. 7 p.m., The Angelus, 12413 Hudson Ave., Hudson. $12, $6 ages 5-10, 4 and younger free. (727) 364-2868.
A Nightmare on Franklin Street: Friday the 13th (1980): A Halloween series featuring horror films, family friendly spooky movies, creepy cult favorites, ghastly ghost tours and other surprises. 7:30 p.m., Tampa Theatre, 711 Franklin St., Tampa. Price varies by event. (813) 274-8982.
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. Make a reservation at elegantfear.com. Time slots available starting at 7:30 p.m. and ending at 11 p.m. 7:30 p.m., The Vault, 655 N Franklin St., Tampa. $50. (813) 225-3450.
Sir Henry's Haunted Trail: Two dark, intense walking trails in a wooded forest. 7:30 p.m., Sir Henry's Haunted Trail, 2837 S Frontage Road, Plant City. $12. (863) 944-0748.
The Royale: Pride Plus Night: An African American boxer in the Jim Crow era vies for a spot in the ring with the white heavyweight champion, but the country might not be ready. Through Oct. 22. Enjoy pre-show Happy Hour drink specials. 8 p.m., American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. $29-$49; prices vary by day. (727) 823-7529.
Zakk Wylde: The guitar great who played for Ozzy Osbourne and, Black Label Society is hitting the road with his Black Sabbath cover project Zakk Sabbath, featuring Rob "Blasko" Nicholson (Osbourne, Rob Zombie) and Joey Castillo (Danzig, Queens of the Stone Age). 8 p.m., Jannus Live, 200 First Ave. N, St. Petersburg. $26. (727) 565-0550.
Florida Orchestra Pops: Swing is the Thing: Under the direction of Jeff Tyzik and accompanied by clarinetist Dave Bennett, the orchestra presents a collection of "jump 'n' jive" tunes from the '40s. 8 p.m., Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $15-$45. Toll-free 1-800-662-7286.
KIDS AND FAMILY
Shopkins Live!: The 90-minute show based on the hugely popular Shopkins toy line. 4 p.m., Ruth Eckerd Hall, 1111 N McMullen-Booth Road, Clearwater. $33.25-$43.25. (727) 791-7400.
MORE TO EXPLORE
Find more Halloween events at tampabay.com/holiday.