Inside this 148-acre/60-hectare botanical garden and forest preserve, you will find interpretive nature trails, Mayan ruins, medicinal plants used by the Maya and replicas of traditional Mayan dwellings. The preserve is also home to many species of birds and other animals. Daily 8 am-4 pm (December-April), Monday-Saturday 8 am-4 pm (March-November). US$7 adults. Highway 307 (Riviera Maya km 32), Puerto Morelos. Phone 983-832-1666.