Abandoned

An overgrown garden stands as a grim marker of an unrealized dream.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

The eerie ruins of an isolated abandoned town nicknamed "the Widowmaker" for its deadly gold mine.

The overgrown ruins of a once thriving World War I-era copper mine.

Forgotten under the construction of a new urban roadway is a small, abandoned part of town.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

Locals visit this abandoned train tunnel where a man took his own life to ask favors of his spirit.

An unrealized Taoist palace left abandoned in a Houston suburb.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

The abandoned tuberculosis sanatorium is said to be one of the most haunted places in Canada.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.