Standing watch over Wyoming’s sprawling northeastern prairies, Devils Tower is a remarkable sight. Sacred to many Indigenous peoples, the geological wonder was formed from molten rock over millions of years and rises some 867 feet from its base to its flat summit – that makes it the largest example of columnar jointing in the world. It became America’s first National Monument way back in 1906.

Liked this? Click the Like button above. And click the Follow button above for more great stories from loveEXPLORING

Now take a look at 99 beautiful things we love about America

America's most incredible national monuments you need to see