The Secret Life of Lighthouses

Rob travels to England's south coast, where he explores three lighthouses. At Beachy Head, he discovers the genius way engineers rescued a lighthouse from plunging into the sea.

Rob heads to Muckle Flugga in the Shetland Islands to check out the Impossible Lighthouse. He learns about the critical role the Shetland Island lights had during WWII.

Rob heads to Boston Harbor, where he learns the hidden stories of the Boston Light, America's first lighthouse.