A short hike into the mountainside forest reveals a decaying 1890s town.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The remnants of an early American attempt at missile defense.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This abandoned prison castle has become an imposing gallery of graffiti art.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Where else would you expect to find the gravesite of European royalty than the windswept dunes of rural Northern Michigan?

A mocking tribute to the past and modern leadership of Prague.

A bisected journey through evolution's history in the heart of Beijing.

The world's longest known cave system.