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?

Yellowstone National Park's nearly 3,500 ... cannot be accessed directly from one of the park's entrances; instead, visitors will have to travel along the Grand Loop Road to reach this area.

The best times to visit Yellowstone National Park are from late April to May as well as September through early October. These shoulder months offer mild weather, fewer crowds and little to no ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... of nature-based tourism in Yellowstone and ...

In 1946, with World War II over and gasoline rationing and travel restrictions lifted, attendance at Yellowstone National Park quadrupled from 189,000 to 807,000. Two years later, it would cross ...