Professional diver Andrew Ryzebol tells PEOPLE exclusively of his risky underwater explorations 200 feet beneath uncharted ice with nothing but a mask and fins Ontario Freedivers Remember as a kid ...

For nearly 20 years, the aquarium has offered guests the death-defying opportunity to take a cage dive into its 120,000-gallon tank. Participants are accompanied by a dive pro and must wear a ...

Use a pair of fins -- either easy slip-on fins if you are new to swimming or scuba fins if you dive or are preparing ... build up your ankles and legs to handle long swims with big fins.