One of New Jersey's oldest churches is a historical treasure trove.

Memorial built in 1922 in remembrance of WWI casualties.

Originally built in 1869, this castle is currently part of Felician University's campus.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

A vibrant colony of rescued wolves and other canids.

This museum is dedicated to a Hollywood icon.

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

This private island is still in the family after a 400-year history including a witch hunt and a pirate.

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

A 19th-century architectural wonder designed by the "father of the skyscraper."

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

This New York estate was designed to resemble a medieval Scottish castle.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

The rustic think-space of famed naturalist John Burroughs stands exactly as he left it.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

You must take the A train... to the last active cemetery in Manhattan.