Yellowstone’s Natural Wonders

Sometimes Yellowstone’s geyser and waterfalls overshadow some of the park’s amazing natural wonders. See petrified trees, natural rock arches, lava formations, and hoodoos.

The Milky Way over Castle Geyser in the Upper Geyser Basin. Photo by NPS Neal Herbert

4 Best Places to Gaze at Starry Night Skies in Yellowstone

The greater Yellowstone region is known for big skies, clean air and sunny days. What this means is that nighttime skies in the summer are filled with brilliant stars. Read More...

Calcite Springs. Photo by Gloria Wadzinski

Basalt Columns like “Rock Fence Posts” in Yellowstone

See massive rock columns that look like fence posts. They were formed by lava flow 1.3 million years ago. The rock columns can be found at Calcite Springs near Tower, and at Sheepeater Cliff. Read More...

Mammoth Hot Springs Upper Terrace.

How will Climate Change Affect Yellowstone in 100 Years?

Things will die off. Other things will come in. Yellowstone could go from a forest to a sagebrush prairie. Draught could affect the geysers. Read More...

Petrified Tree

How Yellowstone’s Petrified Forests Were Created

Large “petrified forests” or fossil forests cover much of the Yellowstone National Park’s northern portion. Read More...

Mud Volcano Dragon's Mouth Hot Spring

Listen to the Recorded Sounds of Yellowstone

Free access to audio clips of people, animals and nature (think a bubbling geyser), many of which have been recorded in the Greater Yellowstone area. Read More...

Nature Valley TrailView

Nature Valley Trail View

Nature Valley brings national parks into homes across the world via new interactive website. The site offers 360-degree views of 300+ miles in Yellowstone, Grand Canyon, and Smoky Mountain National Parks. Read More...

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Nature Valley Trail View Slideshow

Slideshow of images captured during the crew’s two-week stay in Yellowstone. Read More...

Yellowstone's Natural Bridge in the Bridge Bay Area. Photo by Greg Willis [CC-BY-2.0], via Wikimedia Commons

See a Natural Bridge or Arch

Visitors to the Yellowstone region can see a natural bridge or arch in a few places. Read More...

Yellowstone's Hayden Valley with a herd of bison. Photo by Jeff Vanuga

Watch Wildlife in Lamar Valley and Hayden Valley

Yellowstone’s huge, wide valleys make excellent habitat for wildlife. For your best chance of spotting them, point your compass toward the Lamar and Hayden. Read More...

Petrified Forest

Yellowstone’s Petrified Forest

Around 50 million years ago, scientists say this area of the park was flourishing with tall redwood trees, maples, magnolias, oaks, dogwoods, and pines when volcanic eruptions from the nearby Absaroka Mountain range buried the forest in ash. Read More...