From purple martins to barn swallows, find out how to spot and identify 8 members of the swallow bird family during summer.

The Chocolate Hills are 1,776 mounds on Bohol Island in the Philippines where grassy cover turns brown during the dry season.

Most visitors rush straight into the caverns and miss this quiet nature walk. Before entering Carlsbad Caverns National Park, take time to experience the desert above ground—peaceful, open, and full ...