Release
Aired August 5, 2026
42-minute runtime.
Expedition Unknown · Season 18
Josh helps discover and explore a labyrinth of lost tunnels; he dodges traffic to assist in a first-ever radar scan below the busy streets of Cuzco, Peru; he joins them as they push into the tunnels and find priceless ancient treasures.
Release
42-minute runtime.
Episode type
Ratings and spoiler-safe community activity will attach to this episode as later milestones land.