Neal Marlens

Experts scramble for explanations when a lost back-country skier high in the Rocky Mountains stumbles on a 'monumental complex of structures' -- apparently completely uninhabited.

Experts scramble for explanations when a lost back-country skier high in the Rocky Mountains stumbles on a 'monumental complex of structures' -- apparently completely uninhabited.

Experts scramble for explanations when a lost back-country skier high in the Rocky Mountains stumbles on a 'monumental complex of structures' -- apparently completely uninhabited.

Experts scramble for explanations when a lost back-country skier high in the Rocky Mountains stumbles on a 'monumental complex of structures' -- apparently completely uninhabited.