10 Best Road Trip Stops Along America's Iconic Route 66

4. Meramec Caverns, Missouri - A Natural Wonder

A short drive from St. Louis, travelers will discover one of Missouri's most captivating natural attractions: the Meramec Caverns. Located in Stanton, these caverns are a geological wonder, offering a mesmerizing underground landscape of stalactites, stalagmites, and other stunning formations. The caverns have been a popular tourist destination since the 1930s, drawing visitors with their beauty and mystery. The Meramec Caverns offer guided tours that take visitors deep into the heart of the caves, where they can marvel at the natural formations and learn about the caverns' history and geology. The "Wine Room," with its delicate calcite formations, and the "Stage Curtain," a massive sheet of rock, are just two of the highlights that showcase the caverns' natural artistry. The caverns also have a storied past, rumored to have been a hideout for the infamous outlaw Jesse James.

In addition to exploring the caverns, visitors can enjoy a range of outdoor activities in the surrounding area, including hiking, canoeing, and zip-lining. The Meramec River provides a scenic backdrop for these adventures, offering a chance to experience the natural beauty of Missouri's landscape. As a stop along Route 66, the Meramec Caverns provide a unique opportunity to connect with nature and explore the hidden wonders beneath the surface.