Water

Every summer, this shrine sets up a tiny drinking fountain reserved for thirsty apians.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

The site of an improbable and ill-fated attempt to use dammed floodwaters for irrigation.

Built to supply water to farmers in Alberta, this was once was the world's longest elevated concrete structure.

Nature (and graffiti) reclaim this old waterworks that has been surrounded by a bike path and network of walking trails.

A limestone grotto where daylight filters in from below and turns the water a beautiful turquoise. Also home to a small underwater nativity scene.

The tallest waterfall in West Virginia.

Hidden underground, a remarkable 10th-century bath complex survives virtually unaltered.

Two gushing waterfalls of hot spring water within a block of each other.

A 1930s Art Deco swimming pool with a design inspired by grand ocean liners.

Local stories say that if you drink from this well, you will return to Olympia.

The propeller from the first steamship launched on Lake Tanganyika.

This horseshoe-shaped waterfall is the second-largest on the African continent.