If you’re planning a trip to Colorado and wondering, “Is the Great Sand Dunes worth it?” — the answer is a resounding yes, but with a few caveats depending on what you’re hoping to experience.

Great Sand Dunes National Park and Preserve in southern Colorado is home to North America’s tallest sand dunes, set against the stunning backdrop of the Sangre de Cristo Mountains. It’s one of the most visually striking and geologically unique national parks in the United States. Here’s a closer look at why it’s worth the visit, plus what to consider before you go.