What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

One man's swirling six-acre monument of stone.

A once grand hotel is being retaken by the wilderness it once capitalized on.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

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

Inside a state forest, the forgotten remains of a Cold War defensive installation.

The mysterious headstone of an unidentified bank robber was seen visited, every year, by a woman in black.

Who knew the Devil's domain was a hot spot for tubing?

An abandoned Depression-era zoo hidden just off the highway.

Home of Philip Johnson, one of the 20th century's most influential architects.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

A former copper mine which became a truly unsuccessful prison.

The kind of mixed-up place that drives archaeologists crazy.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

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