Pro Football Hall of Fame Festival — Today through Sunday at various venues in Canton. Events include Ribs Burnoff today and Friday at the Stark County Fairgrounds, Grand Parade which will step off at 8 a.m. Saturday in downtown Canton and the game on Sunday. Complete schedule at www.profootballhoffestival.com.
Greater Cleveland Aquarium — 10 a.m. to 6 p.m. daily, last admission is at 5 p.m., Nautica Entertainment Complex, 2000 Sycamore St., Cleveland. Features more than 40 tanks of all sizes, which are home to thousands of living creatures including the Ohio-native brook trout, ferocious piranhas and sand tiger sharks that measure more than 7 feet. $21.95, $15.95 ages 2-12. www.GreaterClevelandAquarium.com.
Cleveland Museum of Natural History — Exhibitions on display through Sept. 1 are Megalodon: Largest Shark that Ever Lived; and Sharkabet: A Sea of Sharks from A to Z. Museum is at 1 Wade Oval Drive. Admission is $12 adults, $10 ages 3-18, college students and seniors, and free for children 2 and under. www.cmnh.org.
The Kelly Miller Circus — 4:30 and 7:30 p.m. today and Friday in an area adjacent to Hartville Hardware which is at 1315 Edison St. NW, Hartville. Advance tickets are $10, $6 for children under 12. Tickets at the gate are $15, $7 for children under 12. For more information, call 330-877-5500.
7th Annual Rittman IGA Car Show and Cruise — 5-8:30 p.m. today at the Rittman IGA, 220 N. Main St. Music by Celebration. 330-925-9502.
The Akron Peacemakers 5th Annual Teen Expo — 6-9 tonight at Lock 3, 200 S. Main St., Akron. Exhibitors will provide area youth with information on education, teen health, safety and volunteer opportunities in the Greater Akron area. Along with music and prizes, there will be various sport activities, two interactive game trucks, the Iron Man obstacle course, basketball switch game, volleyball, cornhole and carnival games. Free. For more information, 330-365-2660, 330-375-2712 or go to www.akronpeacemakers.org.
The Hudson Inventor’s Club — 7 tonight at the Hudson Library, 96 Library St. http://hudsoninventorsclub.wordpress.com.
Twins Days Festival — 9 a.m. to 9:30 p.m. Friday (for registered twins only), 9 a.m. to the end of the fireworks display that starts at dusk on Saturday; 8:30 a.m. to 7 p.m. Sunday at various spots in Twinsburg including the festival grounds at 10270 Ravenna Road. Festival open to the public Saturday and Sunday. Admission for nonregistered twins, and others is $4, free for children 5 and under. www.twinsdays.org.
Digital Bookmobile National Tour — 10:30 a.m. to 2:30 p.m. Friday and Saturday at the Cleveland Public Library, 550 Rockwell Ave. Free.
Vintage Ohio Wine Festival — 1-10 p.m. Friday and Saturday at Lake Metroparks Farmpark, 8800 Euclid Chardon Road, Kirtland. Receive 25 wine sampling tickets to taste from 20 wineries. Advance tickets are $25, for wine sampler, $40, for wine sampler and a visit to the wine makers tent. Tickets at the gate are $30 for sampler plus $15 for the optional wine makers tent. For more information, call 800-227-6972 or go to www.ohiowines.org.
Polish American Club Fish Fry — 4:30-8 p.m. Friday at the Polish American Club, 472 E. Glenwood Ave., Akron. Starting at $7.95. 330-253-0496.
Canton First Friday: Tackling the Arts — 5:30 p.m. Friday, Downtown Canton Arts District. Art exhibits, dancing and entertainment. http://cantonfirstfriday.com.
Ohio State Reformatory Ghost Hunts — Saturday at the Ohio State Reformatory, 100 Reformatory Road, Mansfield. Ghost Hunts offer an overnight experience for those with serious interest in paranormal activity. $70; proceeds go to restore the structure. www.mrps.org.
A New Adventure Widows & Widowers social group — 7:30 a.m. Saturday at Eat’ N Park, 200 Howe Ave., Cuyahoga Falls. 330-929-5430 or 330-630-9275.
Unattached Seniors— 9 a.m. Saturday at the Waterloo Restaurant, 423 E. Waterloo Road, Akron. 330-644-6624.
A New Beginning Social Group for Widows and Widowers — 9 a.m. Saturday at Thano’s Restaurant, 71 Fifth St. SE, Barberton. 330-745-6239.
Outdoor Flea Market — 9 a.m. to 2 p.m. Saturday at the Quirk Cultural Center, 1201 Grant Ave., Cuyahoga Falls. For more information, call 330-971-8225.
Sally Heston’s Beginning Watercolor Workshop — 9:30 a.m. to 3:30 p.m. Saturday and Sunday at the Cuyahoga Valley Art Center, 2131 Front St., Cuyahoga Falls. $250, $225 for CVAC members. 330-928-9092. Discovering Your Immigrant Ancestors — 9:30 a.m. to 4:30 p.m. Saturday at the Akron-Summit County Main Library, 60 S. High St., Akron. The program, co-sponsored by the library and the Summit County Chapter of the Ohio Genealogical Society, will focus on tracing Eastern and Western European ancestors, with one session devoted to researching German ancestors. Free. To sign up, call 330-643-9030.
Do the Mu! — Noon to 2 p.m. Saturday at the Massillon Museum, 121 Lincoln Way E. Celebrate Andy Warhol’s use of photobooths and instant photography in creating his famous artwork. Free. 330-833-4061 or www.massillonmuseum.org.
Hoover-Price Planetarium Shows — 1 p.m. Saturdays and 2 p.m. Sundays at the McKinley Presidential Library & Museum, 800 McKinley Monument Drive NW, Canton. Pluto? Again? July 8 through Sept. 8. 330-455-7043.
The Jack Morris Memorial Cruise In — 2-6 p.m. Saturday, Green Valley United Methodist Church, 620 E. Turkeyfoot Lake Road, Green. Classic cars and motorcycles will be on display. For more information, call Cliff Stadler at 330-896-4025.
Author Visit — 3 p.m. Saturday at the Hudson Library, 96 Library St. Les Roberts and Dan S. Kennedy will share their latest Milan Jacovich novel, Win, Place, or Die. 330-653-2252.
Glassblowing Demonstrations— 5-10 p.m. Saturday at Akron Glass Works, 106 N. Main St. Free. 330-253-5888.
Beef-O-Brady Car Cruise — 4-7 p.m. Sunday at Beef-O-Brady, 3975 Cascades Way, Brimfield. Music by Celebration. 330-678-4800.
Finding Your Inner Teenager: Writing Young Adult Fiction — 5-7 p.m. Sunday at the Learned Owl Book Shop, 204 N. Main St., Hudson. With Lisa & Laura Roecker, authors of The Liar’s Society. Class is $45. Registration required, call 330-653-2252.
TubaSummer — 7 p.m. Sunday on the Buchtel Common at the University of Akron. A concert of summer favorites performed by tuba, sousaphone, baritone and euphonium musicians from throughout the region. Free. For more information, call 330-972-8301 or email email@example.com.
Digital Bookmobile National Tour — 10 a.m. to 4 p.m. Monday at the Mayfield Branch Library, 500 SOM Center Road, Mayfield Village. Free.
Summit County Songwriters Circle — 7 p.m. Monday at the Quirk Cultural Center, 1201 Grant Ave., Cuyahoga Falls. For more information, go to www.songwritersummit.com.
Massillon Museum History Discussion Group — 10 a.m. to noon Tuesday at Massillon Museum, 121 Lincoln Way E. Margy Vogt will moderate the discussion, Summer Dreams. Free. 330-833-4061 or www.massillon museum.org.
Overdrive’s Digital Bookmobile National Tour — 10 a.m. to 4 p.m. Tuesday at the Fairview Park Branch, 21255 Lorain Road, Fairview Park. The bookmobile, a high-tech update of a traditional bookmobile, will be inside a 74-foot, 18-wheel tractor-trailer. The traveling exhibit creates a virtual library branch with a collection of eBooks, audiobooks and more. Free.
Widows & Widowers (SOS) Starting Over Socially Lunch — 1 p.m. Tuesday at Wasabi Steak House, 6338 Strip Ave., Jackson Township. Participants pay for their meals. Reservations required. Information, call Norma at 330-452-5889 or Bernie at 330-477-5325.
Carovillese Club Spaghetti Dinner — 4-7:30 p.m. Tuesday at the Carovillese Club, 570 E. Cuyahoga Falls Ave., Akron. $6 to $8.25. 330-929-6767.
Old Time, Celtic and Bluegrass Music Jam — 7-10 p.m. Tuesday at the College of Wooster, in the college snack bar, Mom’s Truck Stop, Lowery Center, Wooster. The College of Wooster Scottish Arts Society, along with local community players, sponsor musical jam sessions where guests may sit in. Information: Kim Tapie, 330-345-5208, or Charlene Adzima, 330-263-6504.
Summit County Historical Society Perkins Stone Mansion Tours — 1-3 p.m. Wednesdays, Thursdays and Fridays at the Perkins Stone Mansion, 550 Copley Road, Akron. $6, $4 seniors, $2 students. 330-535-1120 or go to www.summithistory.org.
Overdrive’s Digital Bookmobile National Tour — 2-6 p.m. Wednesday at the Canal Fulton Public Library, 154 Market St. E. The bookmobile, a high-tech update of a traditional bookmobile, will be inside a 74-foot, 18-wheel tractor-trailer. The traveling exhibit creates a virtual library branch with a collection of eBooks, audiobooks and more. Free.