As one of the top 10 botanical gardens in the nation, the Dallas Arboretum is always adding to the attraction — such as the Rory Meyers Children’s Adventure Garden. With hands-on activities for all ages, families will have fun at this outdoor area. The Arboretum also offers a summer concert series in the summer! Admission rates: adults 13 to 64: $15 each; children 3 to 12: $10 each; children 2 and under: free.