Sometimes the most memorable trips happen when you seek out unexpected, under-the-radar spots that you never would’ve known about without some prior research.
First created when an underground river collapsed thousands of years ago. Visitors can enjoy swimming in the jade green water and taking in the pool’s 50-foot waterfall.
Dubbed the world’s “shortest, steepest, scenic railway", gives visitors panoramic views of the Mississippi River and three surrounding states: Iowa, Illinois, and Wisconsin.