This elaborate towering structure was once famed for its revolutionary height.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

This derelict building used to house infirm Freemasons, their widows, and orphans.

This once luxurious Catskills resort is now a haunting ruin.

This abandoned factory on the Hudson River once churned out a million bricks a week.

Now the final resting place of prominent artists and musicians, it was originally founded to separate the rich from the poor in death.

Enormous sandstone towers loom within a Czech forest.

These medicine cabinet staples are part of the museum's collection of everyday objects.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.