The Hollywood Home Tour is Saturday and Sunday. Tickets are $10.

The Bath House Cultural Center opens an exhibit, “Lotería, Lotería”, which features work from 54 artists, whose inspiration comes from the Mexican board game La Lotería.

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The Children’s Center carnival is 3-6 p.m. Sunday and features a bounce house, fire truck, petting zoo, carousel, games and more. All-access wristbands are $25.

Juliette Fowler Homes Inc. is hosting a May Day celebration Sunday at the Dallas Arboretum. Tickets are $100.