Water

One of the few cold geysers in Europe, its eruptions are powered by carbon dioxide.

These cascading falls resonate throughout the Bulgarian forest.

This hydraulic power system in London was, at one time, seen as a rival to electricity and the last of its kind to shut down.

The widest natural waterfall in Estonia is a sight to see in all seasons.

As fallout from an irrigation project, a formerly cottonwood-lined stream is now a sandy, desolate, post-apocalyptic channel lined with weathered stumps and tumbleweeds.

The disdain for this dysfunctional dam is reflected in a giant pair of scissors painted on the concrete face.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

In Lago Superiore, the largest expanse of lotus flowers outside of Asia is hard to miss.

This fantastic museum honors Gloucester waterway heritage.

This tunnel was built in order to protect the village of Daroca from flash floods during rainy seasons.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.