This abandoned school has had many lives since the early 1900s, and all of them doomed.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Most-visited and most-photographed slot canyon in the American Southwest.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

A fiery crater has been burning in the Karakum Desert since 1971.