Celebrate the arts this weekend with the Bear on the Square Mountain Festival in Dahlonega and Sandy Springs Artsapalooza. Motorheads can satisfy their need for speed at the Summit Racing Equipment Atlanta Motorama  at the Atlanta Motor Speedway.

FAIRS, FESTIVALS, ETC.

You'll find our annual guide to spring festivals here.

Atlanta Blooms. 300,000 bulbs explode with glorious hues of pink, yellow, purple and red. That's 44,000 more bulbs than last year. Peak times vary and are expected to last through April. atlantabg.org.

Kennesaw State University Spring Arts Festival. 9 a.m.-5 p.m. April 18. Free. Kennesaw State University, 1000 Chastain Road, Kennesaw. arts.kennesaw.edu.

"Indiana Jones" Movie Marathon. 2 p.m. April 18. $7-$8 per movie; $15 for three-movie pass. Earl Smith Strand Theatre, 117 North Park Square, Marietta. www.earlsmithstrand.org.

2015 Summit Racing Equipment Atlanta Motorama. Presented by Classic Collectors Insurance, zMAX and The Atlanta Journal-Constitution.Gates are open to the public 9 a.m.-5 p.m. April 18 and 9 a.m.-4 p.m. April 19. $12 per day; kids ages 6-11, $5; kids 5 and under free. Atlanta Motor Speedway, 1500 Tara Place, Hampton. 770-946-4211, 1-877-926-7849, www.atlantamotorama.com. Read our preview of the Summit Racing Equipment Atlanta Motorama here.

Georgia Renaissance Festival. April 18-June 7. $22; $10 ages 6-12; $20 ages 60 and older; free ages 5 and younger. 6905 Virlyn B. Smith Road, Fairburn. garenfest.com.

10th Annual Atlanta Arab Festival. April 18-19. $5.  Alif Institute, 3288 Marjan Drive, Atlanta. www.alifinstitute.org.

Sandy Springs Artsapalooza. 150 artists and crafters, interactive arts stations, music, children's play area. 10 a.m.-6 p.m. April 18, 11 a.m.-6 p.m. April 19. Free. 6100 Lake Forrest Drive N.E., Sandy Springs. 404-873-1222, sandyspringsartsapalooza.com.

Bear on the Square Mountain Festival. A celebration of Southern Appalachian culture. There will be bluegrass and old-time music, arts and crafts and kids activities all around the historic square. Bear on the Square's tale-spinning slate, organized by the Southern Order of Storytellers, has been designated the Southeastern Regional Spotlight Event this year by the National Storytelling Network. April 18-19. Dahlonega. Free. 706-348-1370, www.bearonthesquare.org.

Atlanta Symphony Decorators' Show House & Gardens. April 18-May 10. $30. Chateau Soleil, 4701 Northside Drive N.W., Atlanta. decoratorsshowhouse.org.

PAWS For The Cause. Promotes animal cruelty awareness, pet adoption, animal rescue, pet health and education. 10 a.m.-2 p.m. April 18. Free.  Glenlake Park, 1121 Church St., Decatur. 404-640-9726.

Lemonade Days. April 15-19. All-day ride wristbands $25. Brook Run Park, 4770 N. Peachtree Road, Atlanta. www.dunwoodylemonadedays.org.

World War II Heritage Days. 9 a.m.-4 p.m. April 18-19. $5 donation requested; ages 5 and under and military veterans free. Dixie Wing Historical Airpower Facility, Falcon Field, 1200 Echo Court, Peachtree City. www.wwiidays.org.

Atlanta Rollergirls. 5 p.m. April 18. $15-$25. Yaraab Shrine Temple, 400 Ponce De Leon Ave. N.E., Atlanta. www.atlantarollergirls.com.

An Evening with Ann Coulter. 7 p.m. April 22. Free, but tickets required (www.kennesaw.edu/anncoultertickets). Bailey Performance Center, Kennesaw State University, 1000 Chastain Road, Kennesaw. www.kennesaw.edu.