Tar Spot, Ralfsia pacifica, a brown algae found intertidally at Natural Bridges State Beach, Santa Cruz, California, USA

At the lake before the storm.

Bit tricky with a point and shoot.

I think of horror movies when I see large trees with moss hanging. I'm not sure why.

Shadows of dried prairie plants from the previous year's growing season on a boardwalk in Badlands National Park, South Dakota, USA

First light on the Navajo Sandstone formations of White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Ripples catching sunlight on the surface of Mitchell Creek, Clay Cliffs Nature Area in Big Rapids, Michigan, USA

Ice formations on a cold late autumn morning along Lehman Creek in Great Basin National Park, Nevada, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Patterns made by receding waves on Shi Shi Beach along the Pacific Ocean in Olympic National Park, Washington State, USA

Ice cave interior where stream melts snow under a snowfield, near Hogsback Camp below Heliotrope Ridge on the slopes of Mount Baker, Mount Baker-Snoqualmie National Forest, Washington State, USA

First light on the Navajo Sandstone formations of White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Intricate boxwork in Wind Cave, a cave formation found here more than anywhere else, Wind Cave National Park, South Dakota, USA

Layered sandstone formations in White Pocket, Vermilion Cliffs National Monument, Arizona, USA

I spent the afternoon at the conservatory, unfortunately I've forgotten the name of this guy. By far my favorite of the day.

Port Coquitlam, British Columbia, Canada.

Sandstone rock in Capitol Reef National Park, Utah

Hikers at White Pocket, Vermilion Cliffs National Monument, Arizona, USA [No model releases; available only for editorial licensing]

Intricate boxwork in Wind Cave, a cave formation found here more than anywhere else, Wind Cave National Park, South Dakota, USA

Ice cave interior where stream melts snow under a snowfield, near Hogsback Camp below Heliotrope Ridge on the slopes of Mount Baker, Mount Baker-Snoqualmie National Forest, Washington State, USA

Gray Pine, Pinus sabiniana, needles close up in Pinnacles National Park, California, USA

Layered sandstone formations in White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Navajo Sandstone shaped like cauliflower, cracked into polygons, at White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

aeonium patterns

First light on the Navajo Sandstone formations of White Pocket, Vermilion Cliffs National Monument, Arizona, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Saguaro

Layered sandstone formations in White Pocket, Vermilion Cliffs National Monument, Arizona, USA

The spectacular curtain-like ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA

Closeup of spectacular ice formations of Eben Ice Caves, Rock River Canyon Wilderness, Hiawatha National Forest, Michigan, USA