Explore hidden architectural treasures at the Philly Zoo

Join the Preservation Alliance for a behind the scenes look at the architecture of the Philadelphia Zoo, including a rare look inside the Solitude House. Advance tickets required.

Where: Philadelphia Zoo at 3400 W. Girard Ave., 19104

When: January 28, 2018 from 1:00 p.m. to 2:00 p.m.

How much: $17