Challengers Mountain is the headquarters of the Challengers of the Unknown. It is located in the Rocky Mountains. Deep within the private hideout, are all the comforts of home with short-wave radios, and the such, to communicate with one another if in danger. The Challenger's Jet is also housed inside the mountain's cave.
- Appearances of Challengers Mountain
- Location Gallery: Challengers Mountain
- Catalogued images related to Challengers Mountain