As so many across the world watch the baby eagles in Big Bear, California, David Muir reports on Sunny returning to the nest and reuniting with her sister, Gizmo.

The USCGC Eagle, the United States’ only active-duty sailing ship, is en route to Portland for Fleet Week. Track the trip's voyage on this interactive map.

Pilgrim was the tire company's first blimp to take flight outside Akron on June 3, 1925. Here's a look at airships' history by the numbers.

Prepare for an epic clash between two of the most majestic and powerful eagles on Earth! Who would win in a fierce showdown — the iconic American Bald Eagle or the rare and mighty Philippine Eagle?