Wild Wonders of Europe / Lundgren / European sturgeon (Huso huso) captive at Danube Delta Eco-Tourism Museum Centre aquarium in Tulcea, Danube Delta, Romania, June. Critically endangered.

Floris van Breugel / Long exposure to capture star trails circling around the North Star, Polaris, at the "Racetrack," a remote desert playa (dry lake bed) in Death Valley National Park, famous for its mysterious moving r...

Igor Shpilenok / Earth from a landslide in the Valley of the Geysers, Kronotsky Zapovednik, Kamchatka, Far East Russia On June 3, 2007, a landslide of rocks, snow, ice and trees stopped short of the guest house in th...

Igor Shpilenok / View from the Visitor center after the landslide of June 3, 2007, in the Valley of the Geysers which stopped just short of the building, Kronotsky Zapovednik, Kamchatka, Far East Russia