Narrow gorges and deep pools created by long-ago glaciers.

The graffitied ruins stand hidden within the Pennsylvania woods.

A recently abandoned psych ward at the end of Sanatorium Road.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

An abandoned relic of the city's failed experiment with below ground transit.

An abandoned tuberculosis hospital moulders on into an uncertain future.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

This defunct, fortress-like prison has been the setting for several movies.

Buffalo's abandoned concrete grain elevators are getting a second life.

Ruins of a once-prized railroad station in New York.

A forsaken wonder in the middle of the East Side neighborhood.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

It's gunky, it's gross, and it's been freed from the sewer and put on display.

An ornate Detroit church, left empty and ravaged by time.

Abandoned concert venue legendary for its rock counterculture.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.