Water

Oregon's only closed-basin hypersaline lake, an important stopover for migrating waterfowl, is in danger of drying up completely.

This jellyfish provides clean water for an entire Dutch province.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

This ancient causeway can flood daily, leaving Mersea Island as a true island for hours at a time, and cutting its 7,000 residents off from the mainland.

Secluded springs in the Rio Grande Gorge offer hot bathing beside the haunted ruins of a stagecoach stop.

An ancient yew tree and holy well nestle beside a remarkable 13th-century church.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

A former drinking water storage reservoir transformed into a sunken garden.

A very uncommon water tank standing in the middle of the grapevines in Bordeaux nearly a century after its construction.

Kayak out to a floating restroom.

A winding staircase that appears to lead to nowhere is actually a diving platform into the Wellington Harbour.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

These thermal springs were once popular with residents of a nearby Roman colony.

In the Ozarks, a waterfall shoots out from a glorious hole.

Once a granite mine, this beautiful lake is the perfect place to cliff jump and zipline in Denmark