David meets Pablo Escobar's enforcer in Colombia. Later, he witnesses an exorcism in Mexico and participates in a faux illegal border crossing.

David visits a town hit by heavy radiation, hikes through a supposedly haunted forest and explores an abandoned island with its former residents.

David meets a Jeffrey Dahmer enthusiast in Milwaukee, takes two tours dedicated to JFK's assassination in Dallas and dines with vampires in New Orleans.

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.

In Cambodia, David is offered the chance to shoot a cow. Later, he tours Myanmar before witnessing the cleaning of a mummified corpse in Indonesia.

David attends a voodoo festival in Benin, visits an infamous area of Johannesburg and speaks with white South African separatists.

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.