USA TODAY

Some of the national monuments and memorials of the United States honor figures or historical sites, while others celebrate the natural beauty of the country. And then there are the solemn, beautiful memorials to soldiers and others who gave their lives for their country. So which of the memorials and monuments cared for by the National Park Service do we visit the most? According to the National Park Service's Annual Park Ranking for Recreation Visitors for 2015, these are the top 50, from least to most visitors. Which monument or memorial stands above the rest by almost 2.5 million visitors every year? Scroll through the gallery above to find out!

Afterwards, compare this year's rankings with last year's:

The 42 most visited memorials and monuments