EcoTarium is a museum of science and nature where visitors are encouraged to explore the natural world through a unique indoor-outdoor experience. The museum features hands-on exhibits, indoor and outdoor wildlife habitats, interpretive nature trails, a living pond and meadow exhibit, a planetarium, the region's only treetop walkway, and a narrow-gauge train.  The museum is located at 222 Harrington Way, Worcester, Massachusetts and is open Tuesday through Saturday from     10 AM to 5 PM and Sundays from 12 PM to 5 PM.