Cloud forest at Udzungwa Mountains National Park in Tanzania
Coastal forest on limestone cliffs overlooking the Baltic Sea at Jasmund National Park in Germany
Biebrzański Park Narodowy (Biebrza National Park) forest-fen ecotone near Lipsk in Poland
Swiss National Park in the Western Rhaetian Alps of Switzerland
Puszcza Augustowska (Augustów Primeval Forest) near Wilkownia in Poland
Aerial view of Batang Ai National Park in Malaysia
A proglacial mountain lake in the Tatra Mountains of Małopolska, Poland
Superbloom at the Carrizo Plain National Monument in California, U.S.
Bare trees immersed in fog at the San Joaquin Valley in California, U.S.
Sunset over the edge of Ngorongoro Crater in Tanzania
A secondary rainforest at the Mache-Chindul Ecological Reserve in Ecuador
Pothole lake at Sun God Mountain in British Columbia, Canada
Moon over Arctic waters in Greenland
Willow trees (Salix sp.) in Lake Henshaw, U.S.