Located next to the IU Biology Department building, the Biology Greenhouse lets you stroll through green gardens, flowers, and tropical jungles. It is a thriving greenhouse of unusual, exotic plants from every corner of the world. Individuals may tour during regular business hours. Group tours are available by appointment. Hours are Mon. - Wed. and Fri. 8 am - 3:45 pm, Thurs. 8 am - 2pm, Sat. & Sun. 9 am - 3 pm. Admission is Free.