Photos The sun is setting on Captiva Island, Florida, in December 2018. Captiva Island is known for its shelling, fishing and water activities. Rail road tracks run through the Monocacy Creek trail in Bethlehem, Pennsylvania. The colonial-era waters of the Monocacy Creek are today a popular location to fish for trout. A picturesque sky over Lake Wononscopomuc in Connecticut. The lake sits at the foothills of the Berkshire Mountains and is located near the borders of New York and Massachusetts. A view from the South Rim of the Grand Canyon. Grand Canyon National Park was the second most visited national park in the United States in 2018, according to the National Park Service.