This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The oldest operating pharmacy in the world features 800-year-old recipes.

Once considered a marvel of engineering, this 107-mile canal played an integral role in building New York City.

This haunting monument honors the victims of 9/11.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

The third-tallest lighthouse in the United States stands as a reminder of Atlantic City's early days.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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

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

Seven golden statues rise into the sky from sculptor Victor Victori's New Jersey front lawn.

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

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

Filled with history, this cemetery is maintained each summer by a few hungry goats.

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

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

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

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

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