A genuine Tudor manor transported piece by piece from England.

A different Edgar Allan Poe built this charming Victorian home.

If it wasn’t for a real estate agent with a penchant for old-school arcades, this hands-on collection of nostalgic flipper machines might never exist.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

An allegedly haunted testament to a local businessman's desire for status, posterity, and charity.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

From scholastic to sepulchral - now under reconstruction.

Reforestation in action is the main attraction in this abandoned quarry.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

This fancifully decorated Victorian home in New York’s Hudson Valley is the only known fully domed octagonal residence in the United States.

A whimsical monument deep in this park commemorates the groups that helped build it.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

Original factory of John G. Borden who started what we know today known as Borden Dairy.

This sprawling art park is filled with sculptures, nature trails, and art workshops.

This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

This park is home to a massive bird sanctuary.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

The intriguing personal collection of a professional demon-chaser.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.