A cartographic expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing remarkable evidence of an extinct civilization. Evidence of a mysterious ...

Ruins of some of most impressive buildings in ancient culture are situated in this remote canyon in the Southwest, where you can see the structures up close.

A mapping expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing shocking evidence of an extinct civilization.

A season on the Northern Forest Canoe Trail—stretching from the Adirondacks to northern Maine—reveals fresh possibilities for ...

Many people flock Chaco Canyon, completely missing one of Arizona’s most mind-boggling ancient marvel. This ancient stone city at Besh Ba Gowah once housed the Salado people, one of the most advanced ...