Deep in the wilds of Alaska lies the Turnagain Arm – aka “one of the world’s biggest bore tides.” It’s a waterway, not too far from Anchorage, naturally constructed between two snow-coated slopes, ...

Brazilian surfer Naysson Costa rides the tidal bore wave known as "Pororoca," during the Amazon Surf Festival held in the Canal do Perigoso, or "Dangerous Channel," at the mouth of the Amazon River ...

Dylan Graves, the acclaimed weird waves surfer hailing from Puerto Rico, has officially broken a Guinness World Record – most turns on a single wave. The governing body of world record acknowledgement ...

Surfers wade into the shallow water of Turnagain Arm on Monday. (Dev Hardikar/Alaska Public Media) Twice a day, the normally calm waters of the Turnagain Arm surge upwards, creating a wave known as a ...