These are America's most important National Monuments

You’ll be familiar with the USA's national parks but National Monuments are often lesser-known and lesser-appreciated. They're protected land areas with special natural or historical significance, designated under the Antiquities Act, and from centuries-old buildings to ancient ruins, they’re often pretty incredible. Here we take a look at 50 of the USA's most important National Monuments. Note that some have reduced amenities due to COVID-19 – always check for updates on individual attractions and see state advisories before traveling.