A couple in a giant love heart lock, Zhangjiajie Forest Park, Wulingyuan Scenic Area, UNESCO World Heritage Site, Hunan Province, China, Asia

Fountain and terrace garden of Linderhof Palace, Ettal, Allgäu, Bavaria, Germany

Park (west parterre) of Linderhof Palace, Ettal, Allgäu, Bavaria, Germany

Park (west parterre) of Linderhof Palace, Ettal, Allgäu, Bavaria, Germany

Park (west parterre) of Linderhof Palace, Ettal, Allgäu, Bavaria, Germany

Linderhof Castle, Ettal, Allgäu, Bavaria, Germany

Europe, Germany, North Rhine-Westphalia, near Dortmund, Henrichenburg boat lift

Cargo ship, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Old shaft lock, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Side view of the Niederfinow boat lift in Brandenburg, Germany, Europe

Neckarschleuse lock with a cargo ship, Hirschhorn, Neckartal Odenwald Nature Park, Hesse, Germany, Europe

Neckarschleuse lock with a cargo ship, Hirschhorn, Neckartal Odenwald Nature Park, Hesse, Germany, Europe

In the park of the lock Hellbrunn in Salzburg, Austria

Palais of Celle, lower-saxony, Germany

New boat lift, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Padlocks on the bridge, wedding tradition, Festival Park, Rezekne, Latgale, Latvia, Northern Europe

Neues Schloss, Ingolstadt, Bavaria, Germany

Old shaft lock, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Historic sailing ship model, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Old shaft lock, Henrichenburg boat lift, Schleusenpark, Waltrop Lock Park, Westphalian Industrial Museum, Route of Industrial Heritage, Dortmund Ems Canal, Waltrop, North Rhine-Westphalia, Germany, Europe

Wooden door with lock on historic stone house in the village of Dartlo in Tusheti National Park, Dartlo, Kakheti, Georgia

Wooden door with lock on historic stone house in the village of Dartlo in Tusheti National Park, Dartlo, Kakheti, Georgia

Bear warning sign posted on a closed gate where a trail has been closed, Liard River Hot Springs Provincial Park, British Columbia, Canada

Hawaii, Oahu, Hands around the trunk of a tree.