Trilobite Fossil

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fossilized fish specimen

1600 × 1200

Ammonite fossil cross-sections

1920 × 1200

Dinosaurs during meteor shower

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Natural Rock Arch — Blue, Dramatic, Afternoon, Photograph

1024 × 768

Cave with Stalactites — Brown, Dramatic, Photograph, Stalagmites, Rock Formations

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Sandstone Canyon Walls — Orange, Dramatic, Photograph, Rock

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Yellow-green Crystals on Rock

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Sandstone Rock Formations — Orange

1440 × 900

Crystal Cluster on Rock

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Dark Blue Crystals on Rock

1590 × 1024

Red Crystals on Rock — Dramatic

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Layered Rock Formation — Brown

1600 × 1200

Layered rock formation with vegetation

1920 × 1200

Layered rock canyon with stream

800 × 600

Cave Stalactites and Stalagmites — Brown, Dark

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Aquamarine Crystal Cluster — Black

1438 × 1024

Aquamarine and Tourmaline Crystals

1280 × 839

Aquamarine Crystal Cluster

1280 × 903

Yellow Crystal on Matrix

1280 × 914