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.

Indonesia is full of natural beauty, including this peaceful waterfall in Bali with a cave to explore behind the waterfall, ...

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 ...