The magnificent, eroding limestone pillars of the Victoria Coast.

A bird woos mates with a "bow, walk, pause and waggle." Collaboration: Cornell Lab of Ornithology.

Come mating time, the King-of-Saxony male makes a ruckus. Collaboration: Cornell Lab of Ornithology.

A male bird-of-paradise performs a dramatic courtship dance. Collaboration: Cornell Lab of Ornithology.

In Borneo, an ingenious handcrafted hunting tool still gets the job done.

A lake in Palau contains a startling surplus of golden medusae.