Lauritzen Gardens, Omaha's botanical center, covers 100 acres at 100 Bancroft St., Omaha. It includes the model railroad garden and Sofia's Play Garden; next door, Kenefick Park displays two Union Pacific locomotives (free).

Hours: Monday–Tuesday 9–8, Wednesday–Sunday 9–5. Admission: ages 13–64 $18, 65 and over $15, ages 3–12 $11, plus tax. Phone: 402-346-4002.