Cathedrals classic animation even winning an Oscar in

even winning an Oscar in 1976 for his performance in The Sunshine Boys

Dennis Burkhart has filmed every national park

The series also highlights many of the challenges facing mammals in a rapidly changing world and how they endeavour to overcome them

Surrounded by famous musicians and privilege all his life

Hazen Audel travels across the globe to relive some of the most astonishing stories of wilderness survival from World War II

Cathedrals classic animation even winning an Oscar inThey are masterpieces of Old World craftsmanship transplanted to American soil. With sweeping buttresses, soaring towers and exquisite details, they stand as testaments to faith and to the skill of the hands that built them. This special AMERICA'S CASTLES visits three of the most impressive cathedrals in the nation for an illuminating look at the architecture and history of these inspiring structures. In St. Louis, the Romanesque Great Cathedral is a