NATIONAL PARK

Klaus Melbye, director of the Wadden Sea Centre, surveys wildlife at a dike in Wadden Sea National Park.

Sustainable tourism: Can visitors save Denmark’s Wadden Sea?

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Denmark’s Wadden Sea National Park is pioneering radical climate adaptation by considering strategic retreat instead of building taller dikes. The UNESCO World Heritage Site spans Denmark, Germany, and the Netherlands, hosting up to 15 million migratory birds annually on the East Atlantic Flyway. Sea levels could rise 1.5 feet over the next 50 years. The park encourages tourists to forage invasive Pacific oysters that displace native blue mussels, with free guided oyster tours running from October to March. The conservation strategy operates entirely through voluntary partnerships with local landowners.

Waiting for the end in Alaska

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In Alaska, they save the best for last.

Whether it’s the final boat tour of a glacier, the last nights in a cabin outside a remote national park, or the final Inside Passage cruise of the season, the Last Frontier loves its endings.