Chisos Mountains - Big Bend Nat'l Park, Texas

Red Rock Canyon, NV

The Grotto, Georgian Bay - Bruce Peninsula National Park

Onondaga Cave, Missouri

The peaks of the Geisler Mountain

Dragon Blood Tree, Socotra, Yemen

After hitchhiking out of Rio Tranquilo, Chile the drivers where nice enough to let me take a picture of this valley.

Morondova, Madagascar

Kata Tjuta in Australia beautiful

Malham Landscape in North Yorkshire, England

The sky in the ground. Yellowstone National Park

The Tallest Forest on Earth - Upper Bull Creek Flats, Humboldt Redwoods State Park, California -

Great Sand Dunes National Park and Preserve