Nickelback: The late '90s Here Without You rockers embark on the "Feed the Machine" tour with Daughtry and Shaman's Harvest. 6 p.m., MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $17-$117. (813) 740-2446.
Playboi Carti: The up-and-coming rapper who has worked on a collaboration with Lana Del Rey will be joined by openers, Young Nudy and Pierre Bourne. 7 p.m., The Orpheum, 1915 E Seventh Ave., Ybor City. $35-$75. (813) 248-9500.
Gulfport Tuesday Fresh Market: With live music, vegetables, herbs, teas, plants, crafts and handmade jewelry. 9 a.m., Gulfport, along Beach Boulevard, Gulfport. Free. (727) 902-2326.
Idea Zone: Space Junk: Enter the Idea Zone to become an inventor through use of robotics and galactic creations to safely view the solar eclipse. Included with admission. 10 a.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $26.95, $25.95 seniors, $20.95 ages 3-12; 2 and younger free. Member discounts available. Separate pricing for IMAX-only admission. It's $15 for the zip line only, or $10 with admission. Ropes course is $10 by itself, or $7 with admission. Parking is $5. (813) 987-6000.
Summer Nights: Busch Gardens celebrates summer with extended hours. 10 a.m., Busch Gardens, 10165 N McKinley Drive, Tampa. $99, $79 ages 3-9, 2 and younger free. (888) 800-5447.
KIDS AND FAMILY
Free Tuesday at Glazer Museum: The hands-on museum and the Children's Board of Hillsborough County join for this event offering free admission from noon to 7 p.m. Glazer Children's Museum, 110 W Gasparilla Plaza, Tampa. Free. (813) 443-3861.
SERIES PREMIERE: Manhunt: Unabomber, 9 p.m., Discovery: Sam Worthington and Paul Bettany star in this new series that explores how an FBI profiler helped track down the Unabomber.