Estancia Cerro Guido, a Chilean ranch that swapped puma bounties for conservation tours, offers travelers luxury experiences on the edge of the wilderness.

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Karl Bushby arrived in Hull, England, on Monday after spending 28 years crossing four continents on foot.

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Karl Bushby has walked 31,000 miles, crossing some of the world’s harshest landscapes. He plans to reach his mother’s house in England next week.

© Sam Bush for The New York Times