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Frozen Puddle in the Meadow, Canada
rough round agate mineral sample with outer shell geode
Other types of mushrooms have pores instead of gills. Like gills, pores produce spores, but they appear as small, sponge-like holes instead of thin blades. The little holes lead to tubes inside the cap. As spores mature, they eventually fall from the tubes out of holes and into their environment.
prismatic quartz mineral clusters on rock specimens from the UK
Computer generated 3D illustration with the dinosaur Suchomimus in a landscape
Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Coral in Molasses Reef
Detail of limestone on the Karst, Autumn Western Slovenia, Kras, Primorska, Europe
...an old Spanish coin, a means of payment from the Iberian Peninsula made of metal
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
A giant sauropod, the largest of the dinosaurs and the biggest type of land animal ever, wades in a shallow lake at dawn. 3D Rendering
bunch of natural sponges
scenic coast landscape at Zumaia Flysch trail in the basque country, Spain
Calama, Chile
Boiling water bubbler Geyser. Active geyser with major eruptions. Yellowstone NP, Wyoming, USA
Pink Rocks , Kefken kerpe Kandira, Kocaeli, Turkey.
Calcareous slope in Costa Rica
Dried and cracked ground in the desert,Serbia,Nikon D850
Stones texture nature background photo, High Resolution for 3D.
Mineral deposition of hot spring terrace at Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA
The old zinc for the wall is rusty and dirty local steel surfaces isolated on white background with clipping path.
Travels in Italy
internal tissue of a sea creature's shell. pores. macro photo.
Country: Iceland\nLocation: Landmannalaugar
Multi-colored marble rock between white, gray and yellow
Ammonite in limestone rock (Bavaria, Germany)
Fascinating Istrska Pustinja or desert in istria, gray stones rising from the ground making a desert like appearance in the northern part of istrian peninsula.
Interesting  pattern in hot springs. Looks like a tree to me
Man-O-War Jellyfish
Pile of old logs beside a log burner.
Free Images: "bestof:Walcott Cambrian Geology and Paleontology II plate 03.jpg Plate 2 Middle Cambrian Merostomata Sidneyia 1 Sidneyia inexpectans <small> Walcott </small> 2"
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