Correspondent Bill Whitaker ventures out to one of the most dangerous inlets in America, nicknamed the Graveyard of the Pacific, at the mouth of the Columbia River. The mission? Document the training of elite members of the U.S. Coast Guard determined to graduate from the National Motor Lifeboat School and earn the coveted title of certified Surfmen. Whitaker speaks with some of the best water rescue professionals in the country as they push their limits, tackling the roughest waters and toughest test, to hear firsthand what it takes to operate in huge breaking surf in order to save lives.

Located in the middle of the Chesapeake Bay and only accessible by boat, Smith Island, Md., is a place where time stands still, and its residents speak a unique dialect. Rising sea levels and erosion are changing the landscape and placing residents at risk of becoming some of the country’s first climate refugees. Correspondent Jon Wertheim meets these locals to hear how climate change threatens their way of life – and the island itself – and how their perseverance and pride are inspiring a new generation of islanders.

Something unusual is going on in Major League Baseball stadiums across the country this season, and it isn’t traditional baseball. Correspondent Lesley Stahl reports from Savannah, Ga., on the dancing, back-flipping, lip-syncing almost-baseball team, the Savannah Bananas. They’ve created a new twist on the sport, which they call Banana Ball. Among its rules: a two-hour time limit; no bunting, walks or mound visits; and if a fan catches a foul ball, it’s an out. Stahl meets Banana Ball’s unorthodox, yellow-clad founder, Jesse Cole, and discovers the electric, circus-meets-sporting-event atmosphere that is selling out ballparks.