Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

The land is home to swimming ponies and a legendary 18th-century treasure.

A museum dedicated to exhibiting remarkable outsider art.

One of the oldest surviving Swedish-American homes in the United States.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

Featuring the the longest lift span of any vertical-lift bridge in the world.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

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

A unusual sanctuary for abused and exotic animals in South Jersey.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

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

A historic grist mill and active sluice on the Black River.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

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

This tiny structure was built by the creator of the Brooklyn Bridge.