WEBMissouri Botanical Garden. 4344 Shaw Blvd., St. Louis, MO 63110 (314) 577-5100 hours and admission. Butterfly House. Faust Park, 15193 Olive Blvd. Chesterfield, MO 63017 (636) 530-0076 hours and admission. Shaw Nature Reserve. Hwy. 100 & I-44 Gray Summit, MO 63039 (636) 451-3512 hours and admission