National monuments are areas of federal land protected for their significant historical, cultural, or scientific importance.

Towering over the Mississippi River, the Gateway Arch is the tallest monument in the country and the world's tallest arch. It ...

KUSA - In the new series "Monumental Mysteries," history explorer Don Wildman uncovers some of America's most intriguing events, triumphs, and secrets linked to the nation's most famous monuments.

Ever wondered how sites get added to the National Park System? NPCA explains the two processes used to preserve America’s lands and stories. By 1916, the U.S. had 35 national parks and monuments and ...

Social media has transformed the way people imagine the world, often turning famous landmarks into flawless, crowd-free ...

From the Empire State Building to the Great Pyramid of Giza, countries are sending messages to healthcare workers, first responders and more Sophie Dodd is a writer for PEOPLE. She previously worked ...