Ingo Arndt / Cracks in ice, Lake Baikal, Siberia, Russia

Shane P. White / Small-leaved Fig (Ficus obliqua) trees along freshwater spring, Matevulu Blue Hole, Espiritu Santo, Vanuatu

Jeff Foott / Ponderosa Pine (Pinus ponderosa) tree and cliff, Grand Staircase-Escalante National Monument, Utah

Heike Odermatt / Rhyolite mountains, Landmannalaugar, Fjallabak Nature Reserve, Iceland

Jeff Foott / River in gorge, McKenzie River, Oregon

Heike Odermatt / Ferns in forest, Leende, Netherlands

Jeff Foott / Rock patterns, Harris Beach State Park, Oregon

Mark Raycroft / Irish Setter (Canis familiaris) puppy

Hiroya Minakuchi / Tulip (Tulipa sp) flower garden, Japan

Hiroya Minakuchi / Rainforest interior, Costa Rica

Hiroya Minakuchi / Stream in rainforest, Kinabatangan River, Malaysia

Hiroya Minakuchi / Rainforest, Danum Valley, Malaysia