Alcatraz used to house 1600 prisoners. It's now home to 5000 seabirds.

Nikita was a unique lion; not only was she unusually large in size, but she had never been part of a pride.

Meet Methuselah: a tree that's been growing before the Great Pyramids were built.

Deep in the heart of Kenya, where the sun beams down on a lazy desert, lies the great love story of our time.