Seattle 's Cook Inlet is home to 15-minute long tidal bores . A tidal bore is a natural wonder when an incoming tide is picked up by current . Sarah Driver , 22 , rides the bore tide using a bike and a backpack . I took the wheel . One bike ride can last miles , she says .
Seattle 's Cook Inlet is home to 15-minute long tidal bores . A tidal bore is a natural wonder when an incoming tide is picked up by current . Sarah Driver , 22 , rides the bore tide using a bike and a backpack . One bike ride can last miles , she says .