Gilbert H. Grosvenor, National Geographic magazine’s founding editor, is credited with saying: A map is the greatest of all epic poems. Its lines and colors show the realization of great dreams.

Brush up on your knowledge of Yellowstone's geography with this interactive version of National Geographic's Trails Illustrated map Yellowstone National Park MapPlanning a Yellowstone trip?

Get up close and personal with some of the world’s most interesting insects and the micro worlds they call home in Nat Geo’s latest series, “A Real Bug’s Life Season 2.” How National ...