Freshwater swimming in Florida’s springs

A world away from Florida’s crowded water and theme parks, the 900 springs that bubble up into the state’s streams and rivers provide stunning oases for swimming – and in winter you’re likely to have them to yourself

Making a splash: cold water swimming

There’s something for everyone at the cold water swimming championships at the lido in Tooting, south London: medals for the fastest, an award for the best hat and a mass jump-in in aid of Crisis, the homelessness charity

Swimming with jellyfish: a Pacific paradise in the Raja Ampat islands

Misool, off West Papua, is surrounded by coral lagoons. It also hosts pools where visitors can swim with thousands of beautiful and harmless jellyfish

Escape from Alcatraz: a swim from the Rock to San Francisco

The cold water and tricky currents of San Francisco Bay make the crossing from Alcatraz a daunting one, but a group of expert guides is helping hardy souls complete the ‘impossible swim’