A New York City teacher had a breathtaking—and slightly nerve-wracking—encounter with nature while swimming at the edge of Victoria Falls in Zimbabwe, capturing a rare double rainbow in the process.

Boulder, Colo., USA: Deep pools below waterfalls are popular recreational swimming spots, but sometimes they can be partially or completely filled with sediment. New research showed how and why pools ...

If you’ve spent time in the Hudson Valley in summer, chances are you have a friend who knows a “secret” swimming hole — a catch-all term for the natural swimming pools, waterfalls, creek banks, and ...