Dramatic prison escapes often have some common themes -- they often include a lot of tunneling. Here are six highly ingenious and low-violence prison breaks from history.
Research:

SYMHC Classics: Dr. Lucy Hobbs Taylor
29:58

Behind the Scenes Minis: Carry-on Bags
28:38

Gustave Flaubert and the ‘Madame Bovary’ Trial
45:15