Intricate ice crystals growing on a window pane in winter in Michigan, USA
plants in the Hortus Botanicus, Leiden
Colorado National Monument, Colorado, USA
Tree on a foggy day in a farm field in Mecosta County, Michigan, USA
Port Coquitlam, BC, Canada
Intricate boxwork in Wind Cave, a cave formation found here more than anywhere else, Wind Cave National Park, South Dakota, USA
Ripples catching sunlight on the surface of Mitchell Creek, Clay Cliffs Nature Area in Big Rapids, Michigan, USA
lupin