Dark Universe Planetarium Show — 2:30 p.m. Monday-Friday, noon and 4 p.m. Saturday and 4 p.m. Sunday at the Cleveland Museum of Natural History, 1 Wade Oval Drive, Cleveland. The show takes audiences on an extraordinary journey from beyond the borders of the Milky Way galaxy to our own backyard of the solar system. Tickets are $5 with museum general admission. For tickets, go to www.cmnh.org.
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, piranhas and sand tiger sharks that measure more than 7 feet. $21.95, $15.95 ages 2-12. www.GreaterClevelandAquarium.com.
Akron Art Museum Free Thursdays — 11 a.m. to 9 p.m. Thursday at the Akron Art Museum, 1 S. High St. Free gallery admission and special programming throughout the day. More information at www.akronartmuseum.org.
Akron Roundtable presents Dan Horrigan — noon Thursday at the John S. Knight Center, 77 E. Mill St., Akron. Dan Horrigan, mayor of Akron. Cost is $20. For tickets, go to www.akronroundtable.org.
Creating a Lifetime of Financial Security — 6:30 p.m. Thursday at the Akron-Summit County Public Library, Green branch, 4046 Massillon Road, Green. Scott Haley, CFP, will discuss basic principles of cash management, roadblocks to financial success, accumulation of wealth, the importance of having a financial blueprint, and locating and maximizing discretionary income. 330-896-9074.
The Thomas Schroth Visiting Artist Series presents Jeanne Gang — 7:30 p.m. Thursday in the University Auditorium, Cartwright Hall, 650 Hilltop Drive, Kent State University. Jeanne Gang is an American architect and MacArthur Fellow. Free. 330-672-2917.
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.
A New Adventure Widows & Widowers social group — 8 a.m. Saturday at Eat’ N Park, 200 Howe Ave., Cuyahoga Falls. 330-929-5430 or 330-630-9275.
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.
McKinley Presidential Library & Museum Annual McKinley Day Celebration — 9 a.m. to 4 p.m. Saturday at the Museum, 800 McKinley Monument Drive NW, Canton. McKinley Day commemorates the anniversary of President William McKinley’s birth on Jan. 29, 1843. Civil War re-enactors, science shows in Discover World, and an open hearth cooking demonstration in the Street of Shops will be featured. Regular admission to the museum will be charged. For more information, call 330-455-7043 or go to www.mckinleymuseum.org.
Antique & Classic Bicycle and Motorbike Display — 9 a.m. to 5 p.m. Saturday at Hartville MarketPlace, 1289 Edison St. NW. Free admission. For more information, call Dan at 330-699-4517, Ron at 330-618-7134 or Bob at 330-699-9798.
Free Lineage Workshop with Sharon Snowden — 10 a.m. Saturday at the Akron-Summit County Public Library, Green branch, 4046 Massillon Road, Green. Onsite help from DAR genealogy experts; bring any information you have and find new resources. 330-896-9074.
Cleveland Museum of Natural History Groundhog Fun Day — 10 a.m. to 4 p.m. Saturday at the Museum, 1 Wade Oval Drive, Cleveland. Thistle, the museum’s groundhog, will make her debut at this annual event, joining veteran Lake Erie Eddie in the festivities. The event will also feature live animal encounters with other hibernators, crafts, face painting and demonstrations. Museum admission is $14 adults and $10 ages 3-18, college students and seniors. 216-231-4600 or www.cmnh.org.
Hoover-Price Planetarium Show The Universe at Large — 1 p.m. Saturday and 2 p.m. Sunday at the McKinley Presidential Library & Museum, 800 McKinley Monument Drive NW, Canton. 330-455-7043.
Intransit Jazz Live in Concert — 6-8 p.m. Saturday at Cafe O’Play, 911 Graham Road #27, Stow. 330-928-7517.
Hoover-Price Planetarium Astronomy for Adults — 2 p.m. Monday at the McKinley Presidential Library & Museum, 800 McKinley Monument Drive NW, Canton. Night Sky followed by a 30 to 40 minute open lecture/discussion directed by the audience. 330-455-7043.
Downloading with Hoopla — 3 p.m. Monday at the Cuyahoga Falls Public Library, 2015 Third St. Learn how to download Free music, videos, audiobooks and more using Hoopla digital service. Please bring your active library card and a charged device. To register, call 330-928-2117.
Zen Meditation Group — 7-8:30 p.m. Monday at Crown Point Ecology Center, 3220 Ira Road, Bath. This class will be led by Sensei Dean Williams. The group will be held twice a month on the first and third Monday. Free. 330-668-8992 or www.crownpt.org.
The Hudson Society of Artists — 7:30 p.m. Monday at the Barlow Center, 41 Aviatt St., Hudson. Wildlife realism artist Linda Merchant will give a demonstration.
Widows and Widowers Starting Over Socially Lunch Meeting — 1 p.m. Tuesday at Papa Bear’s, 4990 Dressler Road, Canton. Reservations are required. Call Jackie at 330-802-5648 or Sue at 330-499-8727.
Free Apps for Tablets — 3 p.m. Tuesday at the Cuyahoga Falls Public Library, 2015 Third St. Learn about free apps that offer quick access to games, news, music and more. To register, call 330-928-2117.
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.
Room to Move — 6:30 p.m. Tuesday at the Akron-Summit County Public Library, Green branch, 4046 Massillon Road, Green. Join family consumer science teacher and interior decorator Shari Moseley as she presents a furniture and room arrangement workshop. 330-896-9074.
LEGO Club — 6:30 p.m. Tuesday at the Cuyahoga Falls Public Library, 2015 Third St. Ages 5-12 are invited to become master builders. All building supplies are provided by the library. 330-928-2117.
Emerald Valley Mothers of Multiples — 6:45-8:45 p.m. Tuesday at the Middleburg Heights Community Center, Room B, 16000 Bagley Road, Cleveland. For more information, go to www.bigtent.com/groups/evmomc.
Summit County Historical Society Perkins Stone Mansion Tours — 1-4 p.m. Wednesdays-Saturdays at 550 Copley Road, Akron. In honor of the Society’s 90th Anniversary, the mansion will feature a new exhibit focused on the 1920s, the decade of the founding of the Summit County Historical Society. Visitors will see displays featuring vintage clothing and styles, plus a variety of toys from the era and a few interactive opportunities. Cost is $6 per adult, $4 for seniors and $2 for students. Tours will include both the Perkins Stone Mansion and the John Brown House. For more information, call 330-535-1120 or go to www.summithistory.org.