One of the last-standing and most prominent structures from a long-lost colonial port community.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

Pick up a kebab and a credenza at this unique combination furniture store and café.

This historic folk museum celebrates the attention to detail that makes America great.

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

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

A trompe-l'oeil statue honoring the first guide dog in North America.

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

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

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

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

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

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

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

This exoskeleton was gifted to Rutgers University by Japan for its role in educating some of the first Japanese citizens to study outside the country.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.