Saturday, June 20, 2026

Question: Colorado is home to the tallest of a certain natural feature in all of North America. What is it?

Answer: The tallest sand dunes on the continent, at Great Sand Dunes National Park and Preserve in Colorado’s San Luis Valley. Star Dune is currently tied with Hidden Dune as the two tallest dunes in North America, measuring 741 feet (225 m) from base to summit.