The jewel of American medical history, this magnificently macabre museum offers patrons an inside look at the human body. Yes, skulls and bones line the walls and fill the glass cases. Gross, right? Nah. Don’t be disconcerted by this intimacy with human anatomy. The Mütter makes for a fascinating diversion, and 90 minutes here will fly by. Einstein’s brain, the tallest skeleton in North America and the Benjamin Rush Medical Plant Garden are just a few of the incredible exhibits that help tell the storied tale of our pathological history. Every item sheds light on the mysteries of the body and offers insight into the diagnoses of and treatments for disease. 19 S. 22nd St., 215.560.8564 Get going! Explore the city at wheretraveler.com.