Water

This divisive system of turtle tunnels was built to save animals stranded after a highway split a lake in half.

This frequently-photographed waterfall takes only a short hike to visit.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

This geothermal hot spring hides beneath a slowly growing mineral dome.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

The largest of the Fuji Five Lakes is home to an impressive swan population—some real, some with paddles, and one with an observation deck.

The so-called "world's shortest river" is actually a window into a cave.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

This underground oasis is one of North America’s most fascinating prehistoric places—and you can scuba dive in it.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

After a long, dark winter in the upper latitudes, Yellowknife knows how to let it all out in unparalleled style.