After four weeks of voting, the polls are closed and the winners of the 10Best Readers' Choice contest for Best National Monument have been selected.

The category winner, Mount St. Helens National Volcanic Monument in Washington, features a rugged volcanic landscape to explore as well as a visitors center filled with interesting insights into volcanoes and how they work.

Runner-up for Best National Monument, Devils Tower, holds a special place in U.S. history as the first ever national monument, designated by President Theodore Roosevelt in 1906.

The top 10 winners in the category Best National Monument are as follows: