It’s not a real adventure without some challenges, right? Only reachable by boat of seaplane, this secluded national park covers a cluster of islands in the northwest corner of Lake Superior. It may take some effort to get there, but nature lovers will be rewarded for their efforts.

Isle Royale is made up of dense forests and pristine lakes, with an abundance of wildlife that visitors will be almost guaranteed to bump into – including wolves, beavers, foxes and moose. One of the park’s most unique factors is chorastrolite – semi-precious stones often called ‘green-star stones’.

To take in the best views, hike the 69km Greenstone Ridge Trail. The entire route takes 16 hours to complete, but those who choose a shorter stint shouldn’t miss the Mount Franklin section for vistas which will take your breath away.

For more information go to visittheusa.com