Half Dome, Yosemite National Park winter

Cades cove in Great Smoky mountains

John Muir hut, on the Muir pass along the JMT trail in 1995

Zion National Park view from the sky

Aerial view of Zion National Park from Cessna in 1999

Deer friend at Zion in 1990

Lamar valley, Yellowstone

Peaks of Grand Tetons

Lamar valley brown bear on the alert

Bishop pass on a cold day