
QUICK FACTS
Name: Bandera Volcano Ice Cave
Location: Zuni Mountains, New Mexico
Coordinates: 34.9932, -108.0807
Why it's incredible: The cave is so cold that Arctic algae grow on the ice inside.
The Bandera Volcano Ice Cave is a hollow in the ground in New Mexico where temperatures never exceed 31 degrees Fahrenheit (minus 0.6 degrees Celsius).