Squam Lake in New Hampshire, Walden Pond in Massachusetts and Echo Lake in Maine were among the 26 locations, which ranged ...

There is something magnificently tranquil about swimming in a lake, and the East Coast of the U.S. is packed with brilliant options for the adventurous.

The incident happened Saturday afternoon in Echo Lake. According to state police, the 37-year-old victim was trying to assist another swimmer when he went underwater and didn't resurface.