For more information, visit on the National Park Service's Grand Prismatic Spring page. Lower Loop Van Tour from West Yellowstone: Grand Prismatic and Old Faithful (295 reviews) ...

The beating heart of Yellowstone National Park is without a doubt the Grand Prismatic Spring—the largest hot spring in the U.S. Its colorful bands are the product of hardy bacteria and algae ...

You also have the option to loop up and see the spectacular views of Grand Prismatic Spring ... the park. Yellowstone Facts - Learn more about the unique features of Yellowstone. Free National ...

Think Yellowstone National Park is only about ... Fairy Falls And Grand Prismatic Overlook Sure, Grand Prismatic Spring is stunning, but seeing it from the crowded boardwalk?

Between 1992 and 1996, the Little Dipper was the first and only watercraft in Yellowstone National Park that could safely ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park ... colors of Grand Prismatic Spring come from ...

Yellowstone National ... lot up from the main Grand Prismatic Spring parking lot). The Grand Canyon of the Yellowstone is my ...

Yellowstone National Park's nearly 3,500 square miles seep ... the Old Faithful area is home to Old Faithful and the Grand Prismatic Spring, two of Yellowstone's most famous attractions.