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

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

Forest reflections on a pond in Canadian Lakes, Michigan, 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

[Tulipa Triumph 'African Queen']

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

Hide-a-Snake

Snakes have wonderful colors and patterns that help them hide and survive. While it would be great to have access to many kinds of snakes at one time to demonstrate this concept, these painted snakes are far better than a PowerPoint, especially for small groups or in an outdoor setting. Find out more: earthlimitedblog.wordpress.com/2020/07/01/hide-a-snake/

Plant in the garden

The assignment was patterns in nature and this is the first of my three contributions. This is the trunk of a cabbage palm, state tree of Florida.

Beach on Dingle peninsula Ireland

Lava patterns on exposed rock on Heliotrope Ridge below Mount Baker, Mount Baker-Snoqualmie National Forest, Washington State, USA

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

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

Columnar basalt formations along Reynisfjara Black Sand Beach in Iceland

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

Patterns and lines in mudstone at low tide at Natural Bridges State Beach, Santa Cruz, California, USA

Layered sandstone formations in 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

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

Swirling patterns of pancake ice on the nearshore saltwater off Fogo Island, Newfoundland, Canada

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

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

Beaver stump