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

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.

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

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

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

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

World War II bunker still standing on the New Jersey beach.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

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

Whimsical artist house in the New Jersey woods.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

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

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

Dr Barnes' $25 billion private collection of art and arboretum.

This Old Testament garden features 100 plants from biblical times.

The graffitied ruins stand hidden within the Pennsylvania woods.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.