The Blue Ridge Mountains are famous for their gorgeous hills and valleys. But the range's rivers have become an unexpected hotspot for snorkelers.

A mecca for those who take their snorkeling seriously, Trunk Bay in St. John – the smallest of the three U.S. Virgin Islands – is a 673-foot-long self-guided snorkel trail with underwater ...

On the morning of Feb. 25, some of the travelers, including Ray, went snorkeling around Wailea Beach, which fronts the resort, while Patricia opted to walk a trail that overlooks the beach.