Yosemite Valey Tunnel View

Yosemite Valley as seen from the tunnel . Half Dome is shrouded in clouds and barely visible in the upper left corner.

Bridal Veil Falls

Bridal Veil Falls in Yosemite National Park.

The Three Mittons

These rock formations in Monument Valley, Arizona are known as the Three Mittons.

Dune Walker

A lonely hiker in Mesquite Dunes in Death Valley National Park in California.

Grand Tetons 2476

The Grand Tetons on a beautiful summer morning.

Snake River In Wyoming

The Snake River with the Grand Tetons in the background. This is near the North entrance to Grand Tetons National Park.

Firehole River

Toxic flow from Grand Prismatic Geyser flowing into the Firehole River in Yellowstone National Park.

Grand Prismatic 2336

Grand Prismatic Geyser in Yellowstone National Park. The different colors are created by the various bacteria that live in the hot waters of the geyser.

Grand Prismatic 2392

Grand Prismatic Geyser in Yellowstone National Park. The different colors are created by the various bacteria that live in the hot waters of the geyser.

Grand Prismatic 2361

Grand Prismatic Geyser in Yellowstone National Park. The different colors are created by the various bacteria that live in the hot waters of the geyser. This view is from a hilltop nearby. You can see the boardwalks that allow visitors to get a closer look.