20 U.S. Destinations You Won’t Believe Are Real

Mendenhall Glacier Caves, Juneau, Alaska

Where to fly: Juneau International Airport

The only way to truly experience the magic of the Mendenhall Glacier Caves is to book a private tour. This immersive experience will provide you with an unparalleled view of the Mendenhall Glacier Caves—with a scenic paddle across the serene glacial melt-water lake followed by a walk to the glacier cave.