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.

Several large rocks and boulders plunged from the overhang at the top of a popular Utah waterfall — and just barely missed a family swimming below, video shows. Visitors to Lower Calf Creek Falls, a ...

A heroic tourist rescued a woman at a waterfall in Glencoe after she was pulled in by a strong current while swimming. Michael Smith was visiting the Meeting of Three Waters infinity pool in the ...