They are dirty, harmful to your health, bad for the environment and utterly charming. Wood-burning fireplaces have been with us for centuries and, despite their many drawbacks, are sticking around. Learn more than you thought possible about the fireplace, in this classic episode.

The Hindenburg Disaster
50:02

Short Stuff: Did Tippi Hedron start the Vietnamese manicure industry?
12:58

Humanists, the Happy Heathens
50:01