Charles Manson's pen pal gets confrontational in an interview. Also, David prepares for the end of the world and visits an extreme haunted house.
In Kazakhstan, David and a fellow dark tourist swim in a lake formed by a nuclear blast. Later, David's trip to Turkmenistan doesn't go as planned.
After participating in a World War II reenactment, David visits a disturbing museum. He then travels to Cyprus in hopes of seeing a forbidden city.