From hidden fjord-like hideaways to Europe’s cleanest body of water, the French Alps offer open-water swims unlike anywhere else. Dive into five of the region’s most transparent, crystal-clear lakes, counting down to the undisputed turquoise crown jewel.

Corsica offers wild, vertical drama; Sardinia delivers fast, smooth Italian tarmac. Having scouted both islands on two wheels, here is how their coastal cycling routes compare for your next trip.

Paddling across an entire continent along Europe's longest river is a challenge that usually attracts seasoned watermen and expert river guides. Approaching the source of the Danube River in Donaueschingen, Germany, with a grand total of 45 minutes of lifetime kayaking experience under the belt is a very different story.