Cathy Dennis -- Wild Hearts 03:31
Expedition Unknown | The mystery of the Dead Sea Scrolls 01:25
West Virginia Penitentiary 01:21
The Descent of Kukulkan 01:27
Keroman Submarine Base 01:28
Guardians of the Glades 00:30
Trans-Allegheny Lunatic Asylum 01:24
Polar Bears Need Our Help 01:08
Colin O'Brady Trains 01:07
Portland Breakwater Fort 01:17
A Penguin's Waddle 00:47
What Causes Bioluminescent Waves? 00:55
Tony Beets Then and Now 00:04
Willamette Falls Sawmill 01:22
The Snow Leopard Returns Home 01:15
Titan I Missile Silo 01:18
State-Of-The-Art Firefighting 01:18
Parker Schnabel Then and Now 00:04
Vemork Power Plant 01:08
