Dead Sea, Israel Photograph by George Steinmetz, National Geographic Swimmers float effortlessly in the salt-laden waters of the Dead Sea near Ein Bokek, Israel. Ten times saltier than seawater, the lake is extremely buoyant and a popular destination for holidaymakers. It’s also Earth’s lowest point on land.

Dead Sea, Israel Photograph by George Steinmetz, National Geographic

Swimmers float effortlessly in the salt-laden waters of the Dead Sea near Ein Bokek, Israel. Ten times saltier than seawater, the lake is extremely buoyant and a popular destination for holidaymakers. It’s also Earth’s lowest point on land.