24.  Antelope Island, Utah

This nearly 44-square-mile island is off the mainland in Utah. It’s also the largest isle in the Great Salt Lake. Here you can discover a surprising variety of both wildlife and natural wonders. Its well-known namesake antelope, bison, coyote, and mule deer roam a lovely landscape of beautiful beaches and craggy mountains. This is also an official International Dark Sky Park.

25.  San Juan Island, Washington

Off the US northern coast in the Salish Sea, this scenic island is part of Washington state’s popular archipelago of the same name. This island is rich in maritime history. Here you can explore its well-known lighthouses, watch for the local orcas, explore the shops and enjoy the fresh, local seafood in the charming seaport of Friday Harbor.