Great minds think alike, especially when you find a group of people that share a specific interest. For convention-seekers, Atlanta offers a bounty of opportunities to listen to guests speakers, learn from experts in the field, find resources, connect with like-minded people and truly celebrate unique passions.

These top March conventions and expos showcase the rich diversity of interests around the Metro, and act as an invaluable tool to come together in the spirit of community. Here’s the lineup:

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Atlanta's Tiki and Polynesian Pop Culture Weekend. March 6-8. $75-$250 per person. Sheraton Atlanta Downtown. 165 Courtland St. NE, Atlanta. 404-659-6500. www.atlantatikitour.com

The 2020 Tiki and Polynesian Pop Culture Weekend takes over Sheraton Atlanta with a three day event that includes live music, whimsical panels and special guests, a wide range of vendors, dealers and artists, hands-on crafts and activities, demonstrations and much more.

Atlanta Tattoo Arts Convention. March 6-8. $20-$40 per person, free for children under 12. Atlanta Convention Center. Building 3 AmericasMart. 75 John Portman Blvd. NW, Atlanta. 215-423-4780. www.villainarts.com.

Tattoo enthusiasts unite at the 3rd Annual Atlanta Tattoo Arts Convention, which is being held at the Atlanta Convention Center at the beginning of the month. This year’s event will include over 300 national and international tattoo artists performing live tattooing, exciting sideshow acts, a burlesque show and special guest Ink Master contestants James Vaughn, Kyle Dunbar and Al Fliction.

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2020 Model Train Show. March 14-15. $10 per person, free for Scouts in uniform and children ages 8 and under. Cobb Galleria Centre. 2 Galleria Parkway, Atlanta. Contactwww.themodeltrainshow.com.

Witness model trains as far as the eye can see at the 2020 Model Train Show March 14th and 15th. Guests will enjoy over 250 vendor tables, club display layouts, a kid’s operating layout, the annual raffle layout, door prizes and White Elephant tables.

Outlantacon. March 19-22. $50 per person. Atlanta Marriott Buckhead Hotel and Conference Center. 3405 Lenox Road NE, Atlanta. Contactwww.outlantacon.org.

Calling all LGBTQA+ geeks and Sci-fi fans – Outlantacon offers a safe place to cosplay to your heart’s content while hanging out with other megafans like yourself. This inclusive event features gaming opportunities, lively discussion panels, costumes, special events and much more.

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Black College Expo Atlanta. March 28. $10 per person, free with college ID. Cobb Galleria Centre. 2 Galleria Parkway, Atlanta. 877-427-4100. www.thecollegeexpo.org.

Mark your calendars, high schoolers, because you won’t want to miss the 15th Annual Black College Expo taking place at the end of the month. Students will get a chance to meet and talk one-on-one with HBCUs, apply for internships, find resources and turn in transcripts and test scores to get accepted to college and receive scholarships on the spot. Attendees will also enjoy a Step Show, celebrity guests, a dance off, contests and prizes.