Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

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

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

This once luxurious Catskills resort is now a haunting ruin.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

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

Home on the Hillside, and home of the first breakfast cereal.

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

A collection of artifacts from two worldwide industries that called Endicott, NY home.

Possibly the smallest church in the world floats in the middle of a pond.

See wolves, coyotes, and arctic foxes in a natural environment smack in the middle of New York State.

An abandoned asylum where patients have been forgotten but their possessions remain.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

Abandoned rock quarry now a haven for mountain bikers and hikers.

A journey through military artifacts and the history of Cortland.