This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The "Seinfeld" diner.

Little Red Lighthouse under the George Washington Bridge.

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

World Trade Center memorial likened to a woman's sexual organ.

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

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

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.

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

One of the last-standing and most prominent structures from a long-lost colonial port community.

In the 19th century, this canal provided power to mills, machine shops, and other businesses in the area.

This giant satellite antenna services the transmission needs of government agencies and cable programmers.

This water tower commemorates the invention of the transistor on this site in 1947.

A small structure built from used railroad ties honors the short term of America's 20th president.

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

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

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

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

These simple structures are living monuments to the fishermen who built this community over a century ago.