Don investigates Hawaii's bloody rituals, secret bunkers and dark underground worlds. He'll explore a hi-tech tunnel bored into a volcano and the rusting remains and twisting waterways that powered its first cash crop: sugar.

Travel Guide

Find restaurants, accommodations and activities from this episode.

Off Limits Hawaii

Don investigates how Hawaii powered its first cash crop: ...

Suburban Safety in WWII

Don visits a complex that offered a secret hideout during ...


Hawaii's Sugar Industry

Don explores a former sugar plantation in Hawaii.


Exploring the Coconut Grove

Don explores the abandoned remains of Coco Palms Resort.


Volcano Highway

Don visits a highway tunnel that goes through a volcano.


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