This week

Atlanta Model Train and Railroad Artifact Show and Sale, Norcross. 9 a.m. to 4 p.m. Saturday, North Atlanta Trade Center, 1700 Jeurgens Court, Norcross. $7 adults, free for children age 12 and younger. 813-949-7197.

Upcoming

Rabies clinic & flea dip, Gainesville. Puppies and kittens must be at least 3 months old for inoculations. Flea dips for dogs only. 8:30 a.m. to noon Aug. 15, Humane Society of Hall County, 845 W. Ridge Road, Gainesville. $10 rabies shot, $5 per dog for flea dips. 770-532-6617 or gwentrimmer@humanesocietyhallcounty.com.

A Night of Jazz & the Roaring '20s, Dahlonega. Holly Theater fundraising gala. Black tie or period dress optional. Featuring The Atlanta Swing Orchestra, silent and live auctions, dinner and dancing. 6 p.m. Aug. 15, Barn No. 3, Cottrell Ranch, 170 Garnet School Road, Dahlonega. $65 or $120 per couple. 706-864-3759.

Night of Hope, Atlanta. With Joel and Victoria Osteen. 7:30 p.m. Aug. 21, Philips Arena, 1 Philips Drive, Atlanta. $15. Ticketmaster.

Car & Bike Show, Athens. Benefits Friends of Advantage. 6 to 9 p.m. Aug. 29, The Varsity, 1000 W. Broad St., Athens. $10 registration. 706-296-8086, 706-614-6143 or 706-201-6724.

Happy Heart Car Show, Gainesville. Benefits The American Heart Association. 11 a.m. to 3 p.m. Aug. 29; registration ends at 2 p.m., awards at 3 p.m. Guilford Medical Complex, 1240 Jesse Jewell Parkway, Gainesville. $15 preregistration; $25 registration. 770-538-4254 or nikkisullens@ngdc.com.

Calabash Party, Gainesville. Music by Airtight Band, shag lessons, silent auction, hors d' oeuvres and cash bar. Benefits The Guest House. 7 p.m. Aug. 29, The Elks Club, 1547 Riverside Drive, Gainesville. $35. 770-535-1487 or info@theguesthouse.org.

Ongoing

Toastmasters, Gainesville. Improve your public speaking skills. 5:45 to 6:45 p.m. Mondays,  Jacobs Building at Brenau University, 340 Green St., Gainesville. Free. 770-294-6059 or edandemw@yahoo.com.

Old-fashioned square dance, Hiawassee. 7 p.m. Mondays, Senior Center, 48 River St., Hiawassee. Free. 706-896-1060 or info@townshistory.org.

Greenhaven show house, Marietta. Tour this eco-friendly decorator show house with eco-pet suite, fly fishing room, "green" home theater, women’s study and "green" kitchen. Benefits Upper Chattahoochee Riverkeeper. Through Aug. 9, Greenhaven, 2380 Chelsea Landing Way, Marietta. $20 online, $25 at the door. 404-492-5508.

Southern Living Idea House tours, Dahlonega. Tour the house featured in August's Southern Living. Benefits the United Way of Dahlonega/Lumpkin County. 11 a.m. to 5 p.m. Wednesday-Saturdays, 1 to 5 p.m. Sundays through Oct. 18, Achasta, 150 Birch River Drive, Dahlonega. $5. 706-867-1660.