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

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

A decorated war pigeon stands guard in eternal taxidermied rest at his alma mater.

The first neighborhood to implement the Garden City model in its suburban planning.

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

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

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

Seven people are buried in the middle of what's now a movie theater parking lot.

On the Hudson resides one of the largest clocks in the world.

Along a busy beachfront strip you may hear Frank Sinatra singing from one boardwalk home.

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

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

This quaint New Jersey graveyard is an eternal resting place for thousands of beloved pets.

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

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

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

A completely round house designed for the Atomic Age.

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

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

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

This Great Depression-era creation was once known as the strangest house in the world.

The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."

Whimsical artist house in the New Jersey woods.