Welcome to the Otherworld where your mind will hit the horizon. It’s more than just what meets the eye. Travel to the OTHERWORLD for once! Otherworld Philadelphia is a 40,000-square-foot immersive art experience with 55 interactive rooms featuring sci-fi and fantasy-inspired installations. Location: 2500 Grant Ave 1, Philadelphia, PA 19114 Hours: Open Wed-Sun (varies by day), closed Tuesday Tickets: $34.99 for adults, $29.99 for kids (3-12), free for under 3. Family packs available. Tickets must be purchased online. For details, visit otherworldphila.com.