Waves crash against the base of Castillo San Felipe del Morro, San Juan, Puerto Rico
Aerial view of The Khone Falls and Pha Pheng Falls on the Mekong River, Champasak, Laos
The Upper Falls waterfall and bridge in Hocking Hills State Park, Ohio, USA
Danube Gorge near Kelheim and Weltenburg Abbey in autumn, Bavaria, Germany
Thunder Hole area in Acadia National Park, Maine, USA
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