View across Schalkenmehren Maar towards Schalkenmehren, Eifel, Rhineland-Palatinate, Germany, Europe

Zao, Miyagi, Japan

Aerial view of Windsborn crater lake, rural district of Daun, Eifel, Rhineland Palatinate, Gemany, Europe

Aerial view of Windsborn crater lake, rural district of Daun, Eifel, Rhineland Palatinate, Gemany, Europe

Angler in a boat on Meerfelder Maar, Eifel, Rhineland Palatinate, Germany

Ulmen with Ulmener Maar, Reflexion, Eifel, Rhineland-Palatinate, Germany, Europe

Gemundener Maar, Volcanic Eifel, Vulkaneifel, Schalkenmehren, Rhineland-Palatinate, Germany, Europe

Weinfelder Maar, also Totenmaar, maar lake in winter, Schalkenmehren, Daun, Volcanic Eifel, Rhineland-Palatinate, Germany, Europe