Less crowded but not less beautiful, these underrated U.S. national parks are worth visiting to avoid the crowds and enjoy beautiful views.

He directed the U.S. Department of the Interior and other agencies to review Smithsonian exhibits and national park service sites for what he believes are anti-American displays and sentiment.

Voyageurs National Park, one of the nation’s most unique parks that is accessible largely only by water, preserves 220,000 ...