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?

Private outings and multiday tours are also available. See many of Yellowstone's top thermal attractions on this small-group outing, which also travels through Grand Teton National Park.

Guided tours of the park are also available ... so you'll want to use an official Yellowstone map (available online or at the park's five visitor centers) or specific GPS coordinates that ...