Modest Mouse and Brand New: The alt-rock bands co-headline a summer tour, taking turns headlining each day of this trek; Modest Mouse will close the show. 7 p.m., MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $25.95-$59.95. (813) 740-2446.
Paddling Coastal Clean Up: To protect wildlife from entanglement and increase the aesthetic value of the area, volunteers with canoes and kayaks are needed to clean difficult to reach shorelines. Also taking place at Fort De Soto Park, Cunningham Key, Skyway Fishing Pier, Coffee Pot Bayou, Palonis Park and Coquina Beach. 9 a.m., Weedon Island Preserve, 1800 Weedon Drive NE, St. Petersburg. Free (registration required). (727) 867-8166.
$5 Weekend: The Chihuly collection celebrates its sixth anniversary in downtown St. Petersburg with a $5 St. Pete Arts Experience combo ticket for the Chihuly Collection and a Morean Glass Studio and Hot Shop glassblowing show. 10 a.m., Chihuly Collection, 400 Beach Drive NE, St. Petersburg. $5. (727) 896-4527.
Polar Beach Party: MOSI launches its new "pay for a day, rest of the year free" Discovery Passport with an air conditioned beach party featuring bounce houses, a simulated shore line and real falling snow. Discovery Passports are not valid for return Sept. 3-5, Nov. 24-27 and Dec. 26-31. 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.
Sunset Celebration : Stroll the park as the sun sets, enjoy wildlife, groove to live music and stop by the beer and wine garden. Each night will be topped off with a light show finale. 4 p.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.
St. Petersburg Second Saturday ArtWalk: Meet the artists and gallery owners during this casual, festive evening as over 40 studios and galleries in the Waterfront Arts District, Central Arts District, EDGE District, Grand Central District and the Warehouse Arts District come together as one arts destination. Be the first to see new works since many galleries host opening receptions. Free trolley available. Map available at www.stpeteartsalliance.org. 5 p.m., Downtown St. Petersburg, Various locations, St. Petersburg. Free. (727) 518-5142.
Bark at the Ballpark: Don't miss the Best Fan Pet Costume Contest early in the game, the doggie splash pools, shopping vendors and of course, after the game, you will get to go onto the field and run the bases of this nationally recognized ballpark with your dog. 6:30 p.m., Bright House Field, 601 N Old Coachman Road, Clearwater. Tickets start at $6. (727) 797-7722 x222.
South Pacific: St. Petersburg Opera presents the Rodgers and Hammerstein classic, featuring songs that have become standards, including Cock-Eyed Optimist, Some Enchanted Evening and Wash that Man Right Outta My Hair. 7:30 p.m., Palladium Theater, 253 Fifth Ave. N, St. Petersburg. $22-$67. (727) 822-3590.
Spring-Summer Concert Series: Reflections of Patsy Cline/Johnny Cash: From Elton John to beach music, to the country sounds of Patsy Cline, and Johnny Cash with a bit of a capella thrown in, the series has something for all musical tastes. Performed by Leanne Williams and Keith Coleman. 8 p.m., Pinellas Park Performing Arts Center, 4951 78th Ave. N, Pinellas Park. $20, $15 advance. (727) 369-5746.
Time Stands Still: The story of a photojournalist and a foreign correspondent trying to find happiness in a world that seems to have gone crazy. From Pulitzer Prize-winning author Donald Margulies, of Dinner with Friends and Shipwrecked! An Entertainment. Through July 24. 8 p.m., Shimberg Playhouse at the Straz Center for the Performing Arts, 1010 N MacInnes Place, Tampa. $28. (813) 229-7827.
KIDS AND FAMILY
Free Storytime: Daisy-Head Mayzie: A young girl learns life is more important than fame and fortune after a daisy suddenly sprouts from the top of her head. Includes book related activities. 11 a.m., Barnes & Noble N Dale Mabry, 213 N Dale Mabry Highway, Tampa. Free. (813) 871-2228.
SEASON FINALE Outlander, 9 p.m., Starz. Time-traveling gets even more complicated as the episode flashes forward to 1968 and introduces two integral characters in Brianna Randall (Sophie Skelton) and Roger Wakefield (Richard Rankin).
MORE TO EXPLORE
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