Glenwood Springs, CO - Glenwood Caverns Adventure Park is bursting with fun and adventure, and your biggest challenge will be how to pack it all in. In Glenwood Springs you can explore stunning caverns and formations... in Colorado's largest showcave. Fly down the mountain on Colorado's first alpine coaster. And you better hang on to your seat in Colorado's first 4D Ride Theater. Fly through the air high above Glenwood Springs, out over scenic Glenwood Canyon in their Giant Swing.