The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A fictional town that was briefly brought to life before fading once again out of existence.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

A winding, cliffside stretch of road overlooking the Delaware River.

It would take 35 firetrucks to fill this enormous glacial pothole.

A park full of outsider art, created by college students studying outsider art.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

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

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

An industrial waste tourist attraction.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Pennsylvania's own Roswell-style UFO mystery.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

Built in the 1920s, this co-op in the Bronx feels more like an Italian villa than a typical New York apartment building.

Little Red Lighthouse under the George Washington Bridge.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

The "Seinfeld" diner.

A living archive of urban activism and space reclaimed.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

This Central New York ghost town was once a prosperous railroad community.

New York's oldest magic store.

Love is in the air along the small street in Brooklyn.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

I fought the law and the precinct caved in.