Swimming ranks as America’s fourth most popular ... While it offers a refreshing escape from summer heat, those inviting waters, especially pool, might harbor unexpected health risks.

An curved arrow pointing right. Jacob's Well in Texas just might be the world's most dangerous swimming hole. More than 100 feet deep, people love jumping into it and exploring its depths ...

Water and electricity is a deadly combination, but you can replace a pool light yourself - if you're very, very careful, and shut off the circuit breaker first.