- Bangkok Butterfly Garden and Insectarium. The building exhibits and culture of various butterflies and insects Size 1 Rai by natural landscaping. Consists of various species, including small ponds, streams, waterfalls, plants as food for butterflies. The building is an exhibition to know about butterflies. It is open daily without charge Tuesday - Sunday from 8:30 to 16:30 Closed on Monday opened its first facility in late 2004.