In southern New Mexico, surrounding the city of Las Cruces in the Río Grande’s Mesilla Valley, five iconic mountain ranges rise above Chihuahuan Desert grasslands. These mountain ranges and lowlands form the Organ Mountains-Desert Peaks National Monument, which was established in May 2014 to protect the area’s significant prehistoric, historic, geologic and biologic treasures. Photos by @mypubliclands.

Located in the northwest corner of Lake Superior Isle Royale National Park in Michigan is the place to go for solitude. The park is an island of roadless backcountry reachable only by boat or seaplane – making it the least visited national park in the lower 48 states. Photographer Carl TerHaar captured this moonrise from Pickerel Cove, one of the islands’ campgrounds that consists of a narrow ridge accessible by small boat. Full moon photo courtesy of Carl TerHaar.

On a quiet morning 75 years ago today, Imperial Japanese forces attacked the United States at Pearl Harbor, Hawaii. More than 2,400 Americans were killed and 1,100 more wounded. Twenty-one ships of the Pacific Fleet were sunk or damaged, including the USS Arizona. Shocked and angered by the attack, the country joined the Allied forces to fight World War II, inspired by the call of “Remember Pearl Harbor.” A moving reminder of the service and sacrifice of those who fought, the USS Arizona Memorial is jointly administered by the U.S. Navy and the National Park Service. Photos from World War II Valor in the Pacific National Monument by National Park Service.