The Tallest US Monument: Located in St. Louis, the Gateway Arch National Park features a 630-foot monument, making it the tallest man-made national monument in the United States.
The “Cave State”: Missouri has earned its famous moniker by housing over 6,300 documented caves, including the sprawling 4.6-mile-long Meramec Caverns.
The “City of Fountains”: Kansas City, Missouri, is famously second only to Rome, Italy, in the sheer volume of outdoor water fountains it boasts.